HOUSTON, Aug. 28 /PRNewswire-FirstCall/ -- H2Diesel Holdings, Inc. (OTC:HTWO) (BULLETIN BOARD: HTWO) announced today that its management team has been invited to present a company overview at two investor conferences in early September. The first presentation will be made at the Roth Capital Partners 2007 New York Conference on Wednesday, September 5, 2006, at 1:30 p.m. EDT. The conference will be held at the Westin New York at Times Square in New York, NY. The conference will showcase a select group of companies and over 1,000 attendees representing various institutional investors are expected to attend. The Company will deliver the second presentation at the Cowen and Company Clean Energy Conference on Thursday, September 6, 2006, at 8:00 am. EDT. The conference will be held at the Le Parker Meridien in New York, NY. David Gillespie, President and Chief Executive Officer of H2Diesel stated, "We are pleased that Roth Capital Partners and Cowen and Company have invited us to attend their conferences. We're excited to have the opportunity to introduce institutional investors to our story." About H2Diesel Holdings, Inc. H2Diesel is a development stage company that holds an exclusive license for North America, Central America and the Caribbean to proprietary technology for the manufacture of an alternative "bio-fuel" from domestically produced vegetable oils that is intended to be marketed as a heating fuel, fuel for power generation, or alternatively, as a new class of bio-fuel or fuel additive. H2Diesel believes its bio-fuel can be used directly for home heating and power generation and also potentially as a motor fuel. The Company further believes its proprietary bio-fuel will provide a cheaper, renewable alternative energy source with significantly lower emissions than traditional fuels and a cleaner and more efficient alternative to heating oil. H2Diesel's business model calls for the establishment of bio-fuel production facilities directly and through sublicensing of its technology to qualified licensees. This news release contains forward-looking statements. These forward- looking statements concern the Company's operations, prospects, plans, economic performance and financial condition and are based largely on the Company's beliefs and expectations. These statements involve known and unknown risks, uncertainties and other factors that may cause actual results to be materially different from any future results expressed or implied by such forward looking statements. The risks and uncertainties related to our business include all the risks attendant a development stage business in the volatile energy industry, including, without limitation, the risks set forth under the caption "Risk Factors" in the Company's Annual Report on Form 10-KSB for the fiscal year ended December 31, 2006. CONTACT: David Gillespie, President & CEO H2Diesel Holdings, Inc. 713-973-5720 Rob Schatz Wolfe Axelrod Weinberger Associates, LLC. 212-370-4500 DATASOURCE: H2Diesel Holdings, Inc. CONTACT: David Gillespie, President & CEO of H2Diesel Holdings, Inc. +1-713-973-5720; or Rob Schatz of Wolfe Axelrod Weinberger Associates, LLC. for H2Diesel Holdings, Inc., +1-212-370-4500

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