SOURCE: U.S. Sustainable Energy Corp.

July 17, 2007 10:00 ET

U.S. Sustainable Energy Corp. Unveils AmSpec LLC Test Results of Its Revolutionary New Green Renewable Biodiesel

Comparable Results Indicate U.S. Sustainable Energy's Biodiesel Meets and Exceeds All ASTM Specifications of Conventional Ultra Low Sulfur Diesel

NATCHEZ, MS--(Marketwire - July 17, 2007) - U.S. Sustainable Energy Corp. (PINKSHEETS: USSE) and Sustainable Power Corp. (PINKSHEETS: SSTP) are pleased to jointly announce the dramatic results of testing of its revolutionary new green renewable Biodiesel by AmSpec Services, LLC (

In a report published today on the USSEC Research page, results included improved flashpoint, higher viscosity, dramatically lower sulfur (ppm), less copper corrosion, higher cetane index, dramatically less carbon residue, and improved lubricity over conventional Ultra Low Sulfur Diesel.

John Rivera, CEO, stated, "With these breakthrough test results, we believe we have come up with a solution to stop the importation of foreign diesel fuels. Our 'OD 66' or Oxygenated Diesel meets and exceeds all ASTM specifications. As previously announced, Sustainable Power Corp. has received the exclusive worldwide license to acquire USSEC Bio-Waste products to produce and distribute Biofuel. The companies anticipate that Sustainable Power will commence shipments of this new Biodiesel within 72 hrs."

About AmSpec Services, LLC

AmSpec's laboratory services have evolved from basic diesel and fuel oil analysis to state-of-the-art gasoline analysis and extensive chemical testing. Recent innovations have added complete ULSD and Bio Diesel capabilities to our Linden, NJ and Houston, TX locations, additionally the Houston laboratory is one of the few laboratories in the region equipped for tetra-ethyl lead blending and evaluations for atypical high-octane products. The Linden laboratory currently holds several RFG contracts and numerous conventional gasoline and oversight testing contracts.

AmSpec is an active participant in industry standard and regulatory bodies. Senior Management currently sits on the IFIA Board of Directors. All field inspectors, with the exception of trainees, are fully certified by IFIA. AmSpec laboratories are active in all available API, ASTM, and Atlantic Regional Round Robin testing programs. In the first quarter of 2003, AmSpec completed its ISO 9000:2000 certification.

AmSpec clients range from the largest multi-national oil companies, U.S. refiners and blenders, trading houses to the smallest end-user home heating oil companies, on which the company was founded.

About U.S. Sustainable Energy Corp.

U.S. Sustainable Energy offers a revolutionary new energy process that creates three times more fuel per feedstock unit than any other biofuel process. The company has engineered the first bio-renewable fuel able to serve as a replacement to diesel, with none of the negative traits associated with competitive green fuels. The USSEC biofuel is furthermore created at a nominal cost as the byproduct of producing organic fertilizer from recycled waste products, a discovery made during research into agricultural biomass now known as the "Rivera Process." The technology offers a solution to foreign oil dependence, significant reduction to the cost of electricity and ethanol production, and the eventual reversal of greenhouse gas emissions.

Management and current operations are focused on leveraging the superior performance and low cost of the fertilizer, biogas and biofuel within bundled plant operations, turnkey energy contracts, ethanol production, and other critical applications that rely on energy as a major cost component. For more information please visit

About Sustainable Power Corp.

Sustainable Power Corp. is an international green energy service provider focused on environmentally safe power generation. The company has the exclusive rights to develop and manage a portfolio of green power plants utilizing the USSEC biofuel discovery, a renewable fuel source able to be produced from one-fifth of the soybean acreage traditionally associated with biodiesel. For more information please visit

Safe Harbor Statement

Matters discussed in this press release contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. When used in this press release, the words "anticipate," "believe," "estimate," "may," "intend," "expect" and similar expressions identify such forward-looking statements. Actual results, performance or achievements could differ materially from those contemplated, expressed or implied by the forward-looking statements contained herein. These forward-looking statements are based largely on the expectations of the Company and are subject to a number of risks and uncertainties. These include, but are not limited to, risks and uncertainties associated with: the impact of economic, competitive and other factors affecting the Company and its operations, markets, product, and distributor performance, the impact on the national and local economies resulting from terrorist actions, and U.S. actions subsequently; and other factors available from the Company.

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