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<title>Prepared By R.R. Donnelley Financial -- Form 8-K</title>
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<b>UNITED STATES </b></font>
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<b>SECURITIES AND EXCHANGE COMMISSION </b></font></div>

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<b>Washington D.C., 20549 </b></font></div>

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<b>Form 8-K </b></font></div> <div><font Size="1">&nbsp;</font></div>

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<b>Current Report </b></font></div>

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<b>Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 </b></font></div>

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<b>Date Of Report (Date Of Earliest Event Reported):&nbsp;&nbsp;05/24/2004 </b></font></div>

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<b>KFX INC </b></font></div>

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<b>(Exact Name of Registrant as Specified in its Charter)</b></font></div>

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<b>Commission File Number:&nbsp;&nbsp;0-23634        </b></font></div>

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<div Align="center"><font Face="times New Roman" Size="3" Color="#000000"><b>DE</b></font>
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<b>(State or Other Jurisdiction of</b></font>
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<div Align="center"><font Face="times New Roman" Size="2" Color="#000000"><b>(I.R.S. Employer</b></font>
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<b>Incorporation or Organization)</b></font>
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<b>Identification No.)</b></font>
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<b>55 Madison Street Suite 745 </b></font></div>

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<b>Denver, CO 80206 </b></font>
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<b>(Address of Principal Executive Offices, Including Zip Code)</b></font>
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<b>303.293.2992 </b></font>
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<b>(Registrant&#146;s Telephone Number, Including Area Code) </b></font>
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Items to be Included in this Report</b>
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<b>Item 5.&nbsp;&nbsp;&nbsp;&nbsp;Other events and Regulation FD Disclosure</b></font>
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KFx Inc. announced on May 24, 2004 that it closed the acquisition of the Fort Union mine site.  A copy of the press release is attached as Exhibit 99.1.</font>
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<b>Item 7.&nbsp;&nbsp;&nbsp;&nbsp;Financial statements and exhibits</b></font>
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(a) Not applicable.<p>(b) Not applicable.<p>(c) Exhibit 99.1 - Press Release dated May 24, 2004</font>
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<b>Signature(s) </b></font>
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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 hereunto
duly authorized. </font>
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	&nbsp;&nbsp;&nbsp;&nbsp;KFX INC</font>
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	Date: May 25, 2004.</font>
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	By:</font>
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	/s/&nbsp;&nbsp;&nbsp;&nbsp;Matthew V. Elledge</font>
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	&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Matthew V. Elledge</font>
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	<div Style="margin-left:9%"><font Face="times New Roman" Size="2" Color="#000000">Vice President and CFO</font>
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<b>Exhibit Index </b></font>
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	<b>Exhibit&nbsp;No.</b></font>
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	<b>Description</b></font>
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	EX-99.1</font>
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	Press release dated May 24, 2004</font>
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{"company-data": {"conformed-name": "KFX INC", "cik": "0000912365", "assigned-sic": "2860", "irs-number": "841079971", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-14176", "film-number": "04830706"}, "business-address": {"street1": "55 MADISON STREET", "street2": "SUITE 745", "city": "DENVER", "state": "CO", "zip": "80206", "phone": "3032932992"}, "mail-address": {"street1": "55 MADISON STREET", "street2": "SUITE 745", "city": "DENVER", "state": "CO", "zip": "80206"}}
Prepared By R.R. Donnelley Financial -- Form 8-K
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):  05/24/2004
KFX INC
(Exact Name of Registrant as Specified in its Charter)
Commission File Number:  0-23634
DE
84-1079971
(State or Other Jurisdiction of
(I.R.S. Employer
Incorporation or Organization)
Identification No.)
55 Madison Street Suite 745
Denver, CO 80206
(Address of Principal Executive Offices, Including Zip Code)
303.293.2992
(Registrant's Telephone Number, Including Area Code)
Items to be Included in this Report
Item 5.    Other events and Regulation FD Disclosure
KFx Inc. announced on May 24, 2004 that it closed the acquisition of the Fort Union mine site.  A copy of the press release is attached as Exhibit 99.1.
Item 7.    Financial statements and exhibits
(a) Not applicable.
(b) Not applicable.
(c) Exhibit 99.1 - Press Release dated May 24, 2004
Signature(s)
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 hereunto
duly authorized.
KFX INC
Date: May 25, 2004.
By:
/s/    Matthew V. Elledge
Matthew V. Elledge
Vice President and CFO
Exhibit Index
Exhibit No.
Description
EX-99.1
Press release dated May 24, 2004