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  <p align="center" style="border:none;color:windowtext;margin:0in 0in .0001pt;padding:0in;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
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  <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">UNITED
  STATES</font></b></p>
  
  <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">SECURITIES
  AND EXCHANGE COMMISSION</font></b></p>
  
  <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Washington, D.C. 20549</font></b></p>
  
  <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">FORM&nbsp;8-K</font></b></p>
  
  <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">CURRENT
  REPORT</font></b></p>
  
  <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">Pursuant
  to Section&nbsp;13 or 15(d)&nbsp;of the</font></b></p>
  
  <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">Securities
  Exchange Act of 1934</font></b></p>
  
  <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Date of Report (Date of earliest event reported):<b> May&nbsp;20, 2008</b></font></p>
  
  <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">NOVA
  BIOSOURCE FUELS, INC.</font></b></p>
  
  <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Exact name of registrant as specified in its charter)</font></p>
  
  <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
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    <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Nevada</font></b></p>
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    <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.0%;">
    <p style="color:windowtext;margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
    </td>
    <td width="32%" valign="top" style="padding:0in 0in 0in 0in;width:32.0%;">
    <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">000-32531</font></b></p>
    </td>
    <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.0%;">
    <p style="color:windowtext;margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
    </td>
    <td width="32%" valign="top" style="padding:0in 0in 0in 0in;width:32.0%;">
    <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">91-2028450</font></b></p>
    </td>
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    <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(State or other</font></p>
    </td>
    <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.0%;">
    <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="32%" valign="top" style="padding:0in 0in 0in 0in;width:32.0%;">
    <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Commission File Number)</font></p>
    </td>
    <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.0%;">
    <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="32%" valign="top" style="padding:0in 0in 0in 0in;width:32.0%;">
    <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(I.R.S. Employer</font></p>
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    <td width="32%" valign="top" style="padding:0in 0in 0in 0in;width:32.0%;">
    <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Jurisdiction</font></p>
    </td>
    <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.0%;">
    <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="32%" valign="top" style="padding:0in 0in 0in 0in;width:32.0%;">
    <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.0%;">
    <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="32%" valign="top" style="padding:0in 0in 0in 0in;width:32.0%;">
    <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Identification Number)</font></p>
    </td>
   </tr>
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    <td width="32%" valign="top" style="padding:0in 0in 0in 0in;width:32.0%;">
    <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">of incorporation)</font></p>
    </td>
    <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.0%;">
    <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="32%" valign="top" style="padding:0in 0in 0in 0in;width:32.0%;">
    <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.0%;">
    <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="32%" valign="top" style="padding:0in 0in 0in 0in;width:32.0%;">
    <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
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  </div>
  
  <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">363 North Sam Houston Parkway East, Suite&nbsp;630,
  Houston, Texas 77060</font></b></p>
  
  <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Address of Principal Executive Offices)</font></p>
  
  <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">713-869-6682</font></b></p>
  
  <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Registrant&#146;s telephone number, including area code)</font></p>
  
  <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Check
  the appropriate box below if the Form&nbsp;8-K filing is intended to
  simultaneously satisfy the filing obligation of the registrant under any of the
  following provisions (see General Instruction A.2. below):</font></p>
  
  <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
   <tr>
    <td width="5%" valign="top" style="padding:0in 0in 0in 0in;width:5.0%;">
    <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font></p>
    </td>
    <td width="95%" valign="top" style="padding:0in 0in 0in 0in;width:95.0%;">
    <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Written
    communications pursuant to Rule&nbsp;425 under the Securities Act (17 CFR
    230.425)</font></p>
    </td>
   </tr>
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    <td width="5%" valign="top" style="padding:0in 0in 0in 0in;width:5.0%;">
    <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
    <td width="95%" valign="top" style="padding:0in 0in 0in 0in;width:95.0%;">
    <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
   </tr>
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    <td width="5%" valign="top" style="padding:0in 0in 0in 0in;width:5.0%;">
    <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font></p>
    </td>
    <td width="95%" valign="top" style="padding:0in 0in 0in 0in;width:95.0%;">
    <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Soliciting
    material pursuant to Rule&nbsp;14a-12 under the Exchange Act (17 CFR
    240.14a-12)</font></p>
    </td>
   </tr>
   <tr>
    <td width="5%" valign="top" style="padding:0in 0in 0in 0in;width:5.0%;">
    <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
    <td width="95%" valign="top" style="padding:0in 0in 0in 0in;width:95.0%;">
    <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
   </tr>
   <tr>
    <td width="5%" valign="top" style="padding:0in 0in 0in 0in;width:5.0%;">
    <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font></p>
    </td>
    <td width="95%" valign="top" style="padding:0in 0in 0in 0in;width:95.0%;">
    <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Pre-commencement
    communications pursuant to Rule&nbsp;14d-2(b)&nbsp;under the Exchange Act (17
    CFR 240.14d-2(b))</font></p>
    </td>
   </tr>
   <tr>
    <td width="5%" valign="top" style="padding:0in 0in 0in 0in;width:5.0%;">
    <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
    <td width="95%" valign="top" style="padding:0in 0in 0in 0in;width:95.0%;">
    <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
   </tr>
   <tr>
    <td width="5%" valign="top" style="padding:0in 0in 0in 0in;width:5.0%;">
    <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font></p>
    </td>
    <td width="95%" valign="top" style="padding:0in 0in 0in 0in;width:95.0%;">
    <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Pre-commencement
    communications pursuant to Rule&nbsp;13e-4(c)&nbsp;under the Exchange Act (17
    CFR 240.13e-4(c))</font></p>
    </td>
   </tr>
  </table>
  
  <div style="border:none;border-bottom:double windowtext 6.0pt;padding:0in 0in 0in 0in;">
  
  <p style="border:none;color:windowtext;margin:0in 0in .0001pt;padding:0in;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  </div>
  
  <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <div style="color:windowtext;margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>
  
  </div>
  <!-- SEQ.=1,FOLIO='',FILE='C:\JMS\105534\08-15125-1\task2955270\15125-1-ba.htm',USER='105534',CD='May 22 23:45 2008' -->
  
  
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  <div>
  
  <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p style="color:windowtext;margin:0in 0in .0001pt;page-break-after:avoid;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">ITEM 2.03 CREATION OF A DIRECT FINANCIAL OBLIGATION OR
  AN OBLIGATION UNDER AN OFF-BALANCE SHEET ARRANGEMENT OF A REGISTRANT</font></b></p>
  
  <p style="color:windowtext;margin:0in 0in .0001pt;page-break-after:avoid;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p style="color:windowtext;margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">As
  previously reported on a Current Report on Form&nbsp;8-K filed with the
  Securities and Exchange Commission (the &#147;SEC&#148;) on January&nbsp;2, 2008, on December&nbsp;26,
  2007, Nova Biofuels Seneca, LLC (&#147;Nova Biofuels Seneca&#148;), a subsidiary of Nova
  Biosource Fuels,&nbsp;Inc. (the &#147;Company&#148;), entered into the $41 million senior
  secured construction, term and working capital credit facility (the &#147;Credit
  Facility&#148;) among Nova Biofuels Seneca, the Lenders party thereto, WestLB AG,
  New York Branch, as administrative agent for the Lenders, WestLB AG, New York
  Branch, as Issuing Bank with respect to the Letters of Credit, WestLB AG, New
  York Branch, as collateral agent for the Senior Secured Parties, WestLB AG, New
  York Branch, as lead arranger and sole bookrunner, and Sterling Bank, a Texas
  banking corporation, as accounts bank, in connection with the development,
  construction, installation, engineering, procurement, design, testing,
  start-up, operation and maintenance of Nova Biofuels Seneca&#146;s 60 million gallon
  per year biodiesel refinery located in Seneca, Illinois.</font></p>
  
  <p style="color:windowtext;margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p style="color:windowtext;margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">On
  May&nbsp;20, 2008, Nova Biofuels Seneca borrowed $5.0 million under the working
  capital facility of the Credit Facility.&#160;
  This draw took the form of a base rate loan at an interest rate of 8%
  per annum.&#160; The other terms of payment,
  events of default and other terms and conditions were previously described in
  the Form&nbsp;8-K filed on January&nbsp;2, 2008.&#160; After taking into account this borrowing
  under the Credit Facility, the first borrowing completed on February&nbsp;27,
  2008, the second borrowing completed on March&nbsp;19, 2008 and the third
  borrowing completed on May&nbsp;7, 2008, cumulative construction and working
  capital borrowings total approximately $33.9 million.&#160; Nova Biofuels Seneca has remaining available
  capacity of $7.1 million of construction and term loans and may also repay and
  re-borrow amounts under the working capital facility.</font></p>
  
  <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2</font></p>
  
  <div style="color:windowtext;margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>
  
  </div>
  <!-- SEQ.=1,FOLIO='2',FILE='C:\JMS\105534\08-15125-1\task2955270\15125-1-ba.htm',USER='105534',CD='May 22 23:45 2008' -->
  
  
  <br clear="all" style="page-break-before:always;">
  
  
  <div>
  
  <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Signature</font></b></p>
  
  <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p style="color:windowtext;margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Pursuant
  to the requirements of the Securities Exchange Act of 1934, the registrant has
  duly caused this report to be signed on its behalf by the undersigned thereunto
  duly authorized.</font></p>
  
  <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
   <tr>
    <td width="55%" valign="top" style="padding:0in 0in 0in 0in;width:55.54%;">
    <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="44%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:44.46%;">
    <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">NOVA
    BIOSOURCE FUELS, INC.</font></p>
    </td>
   </tr>
   <tr>
    <td width="55%" valign="top" style="padding:0in 0in 0in 0in;width:55.54%;">
    <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
    <td width="44%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:44.46%;">
    <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
   </tr>
   <tr>
    <td width="55%" valign="top" style="padding:0in 0in 0in 0in;width:55.54%;">
    <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="4%" valign="top" style="padding:0in 0in 0in 0in;width:4.44%;">
    <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">By:</font></p>
    </td>
    <td width="40%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:40.02%;">
    <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ Kenneth T. Hern</font></p>
    </td>
   </tr>
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    <td width="55%" valign="top" style="padding:0in 0in 0in 0in;width:55.54%;">
    <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="4%" valign="top" style="padding:0in 0in 0in 0in;width:4.44%;">
    <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="40%" valign="top" style="border:none;padding:0in 0in 0in 0in;width:40.02%;">
    <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Kenneth
    T. Hern</font></p>
    </td>
   </tr>
   <tr>
    <td width="55%" valign="top" style="padding:0in 0in 0in 0in;width:55.54%;">
    <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="4%" valign="top" style="padding:0in 0in 0in 0in;width:4.44%;">
    <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="40%" valign="top" style="padding:0in 0in 0in 0in;width:40.02%;">
    <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Chairman
    and Chief Executive Officer</font></p>
    </td>
   </tr>
   <tr>
    <td width="55%" valign="top" style="padding:0in 0in 0in 0in;width:55.54%;">
    <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
    <td width="4%" valign="top" style="padding:0in 0in 0in 0in;width:4.44%;">
    <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
    <td width="40%" valign="top" style="padding:0in 0in 0in 0in;width:40.02%;">
    <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
   </tr>
   <tr>
    <td width="55%" valign="top" style="padding:0in 0in 0in 0in;width:55.54%;">
    <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Date:
    May&nbsp;22, 2008</font></p>
    </td>
    <td width="4%" valign="top" style="padding:0in 0in 0in 0in;width:4.44%;">
    <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="40%" valign="top" style="padding:0in 0in 0in 0in;width:40.02%;">
    <p style="color:windowtext;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
   </tr>
  </table>
  
  <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p align="center" style="color:windowtext;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">3</font></p>
  
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metadata_filer: {"company-data": {"conformed-name": "NOVA BIOSOURCE FUELS, INC.", "cik": "0001137469", "assigned-sic": "2911", "irs-number": "912028450", "state-of-incorporation": "NV", "fiscal-year-end": "1031"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-33455", "film-number": "08855660"}, "business-address": {"street1": "363 NORTH SAM HOUSTON PARKWAY EAST", "street2": "SUITE 630", "city": "HOUSTON", "state": "TX", "zip": "77060", "phone": "7138696682"}, "mail-address": {"street1": "363 NORTH SAM HOUSTON PARKWAY EAST", "street2": "SUITE 630", "city": "HOUSTON", "state": "TX", "zip": "77060"}, "former-company": {"former-conformed-name": "NOVA OIL INC", "date-changed": "20010402"}}
text: UNITED
  STATES
  SECURITIES
  AND EXCHANGE COMMISSION
  Washington, D.C. 20549
  FORM 8-K
  CURRENT
  REPORT
  Pursuant
  to Section 13 or 15(d) of the
  Securities
  Exchange Act of 1934
  Date of Report (Date of earliest event reported):
  May 20, 2008
  NOVA
  BIOSOURCE FUELS, INC.
  (Exact name of registrant as specified in its charter)
  Nevada
  000-32531
  91-2028450
  (State or other
  (Commission File Number)
  (I.R.S. Employer
  Jurisdiction
  Identification Number)
  of incorporation)
  363 North Sam Houston Parkway East, Suite 630,
  Houston, Texas 77060
  (Address of Principal Executive Offices)
  713-869-6682
  (Registrant's telephone number, including area code)
  Check
  the appropriate box below if the Form 8-K filing is intended to
  simultaneously satisfy the filing obligation of the registrant under any of the
  following provisions (see General Instruction A.2. below):
  o
  Written
    communications pursuant to Rule 425 under the Securities Act (17 CFR
    230.425)
  o
  Soliciting
    material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
    240.14a-12)
  o
  Pre-commencement
    communications pursuant to Rule 14d-2(b) under the Exchange Act (17
    CFR 240.14d-2(b))
  o
  Pre-commencement
    communications pursuant to Rule 13e-4(c) under the Exchange Act (17
    CFR 240.13e-4(c))
  ITEM 2.03 CREATION OF A DIRECT FINANCIAL OBLIGATION OR
  AN OBLIGATION UNDER AN OFF-BALANCE SHEET ARRANGEMENT OF A REGISTRANT
  As
  previously reported on a Current Report on Form 8-K filed with the
  Securities and Exchange Commission (the "SEC") on January 2, 2008, on December 26,
  2007, Nova Biofuels Seneca, LLC ("Nova Biofuels Seneca"), a subsidiary of Nova
  Biosource Fuels, Inc. (the "Company"), entered into the $41 million senior
  secured construction, term and working capital credit facility (the "Credit
  Facility") among Nova Biofuels Seneca, the Lenders party thereto, WestLB AG,
  New York Branch, as administrative agent for the Lenders, WestLB AG, New York
  Branch, as Issuing Bank with respect to the Letters of Credit, WestLB AG, New
  York Branch, as collateral agent for the Senior Secured Parties, WestLB AG, New
  York Branch, as lead arranger and sole bookrunner, and Sterling Bank, a Texas
  banking corporation, as accounts bank, in connection with the development,
  construction, installation, engineering, procurement, design, testing,
  start-up, operation and maintenance of Nova Biofuels Seneca's 60 million gallon
  per year biodiesel refinery located in Seneca, Illinois.
  On
  May 20, 2008, Nova Biofuels Seneca borrowed $5.0 million under the working
  capital facility of the Credit Facility. 
  This draw took the form of a base rate loan at an interest rate of 8%
  per annum.  The other terms of payment,
  events of default and other terms and conditions were previously described in
  the Form 8-K filed on January 2, 2008.  After taking into account this borrowing
  under the Credit Facility, the first borrowing completed on February 27,
  2008, the second borrowing completed on March 19, 2008 and the third
  borrowing completed on May 7, 2008, cumulative construction and working
  capital borrowings total approximately $33.9 million.  Nova Biofuels Seneca has remaining available
  capacity of $7.1 million of construction and term loans and may also repay and
  re-borrow amounts under the working capital facility.
  2
  Signature
  Pursuant
  to the requirements of the Securities Exchange Act of 1934, the registrant has
  duly caused this report to be signed on its behalf by the undersigned thereunto
  duly authorized.
  NOVA
    BIOSOURCE FUELS, INC.
  By:
  /s/ Kenneth T. Hern
  Kenneth
    T. Hern
  Chairman
    and Chief Executive Officer
  Date:
    May 22, 2008
  3