Hybrid Fuel Systems Inc (fka HYFS)

[Golden Cross]

Hybrid Fuel Systems in Partnership with WITCO Ltd. Completes Dual-Fuel Conversion System Lab Tests For Weichai Peterson Engine
Monday March 6, 2:50 pm ET
Field Trials in China Now Being Scheduled


TAMPA, Fla.--(BUSINESS WIRE)--March 6, 2006--Hybrid Fuel Systems, Inc., ("Hybrid" or the "Company") (OTCBB:HYFS - News), the manufacturer of a patent dual-fuel diesel to natural gas conversion technology, together with its licensee WITCO Limited (WITCO) a wholly owned division of WITCO Systems of Milwaukee, WI, USA announced today the finalized lab tests for Weichai Peterson on its Model WD615 44 Heavy Duty Diesel Engine. Further, the Company announced that WITCO has arranged for the first field-trial of the developed system to be conducted in the Province of Xinjiang, China.
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Starting in September 2005, Weichai Peterson shipped Model WD615 44 diesel engine to Hybrid's development facility in Atlanta, Georgia. Hybrid, with support from its licensee WITCO, then developed a dual-fuel diesel/natural gas system for the Weichai engine. The final development report was submitted January 9 and demonstrated the Hybrid systems was able to achieve 100% of the power and torque while operating in a dual fuel mode.

"We are pleased to now move to the next step in systems introduction with field trials," said Hybrid's CEO Mark Clancy. "This project marks our entry into the China marketplace. More importantly, this demonstrates in a tangible manner the value to Hybrid of our new development facility in Atlanta, Georgia. We now have the means to accept an engine from anywhere in the world and in a very controlled lab setting, complete our development processes in a professional and thorough manner. This opportunity would not have been possible without the dedicated efforts of our licensee WITCO," concluded Mr. Clancy.

Doug Wilson, Chairman of WITCO Limited (HK) said today: "I am pleased our team has achieved this milestone after over two years of effort and that we feel this is the first step toward our realization of a full market launch in China as the first step in a complete roll-out in Asia. We have opportunities in Indonesia, India, Malaysia and other Asian countries that are set to follow with field tests and market launch in the very near future."

About Hybrid Fuel Systems, Inc.: Hybrid Fuel Systems, Inc. (OTCBB:HYFS - News), formed in 1996, delivers its patent dual-fuel diesel to natural gas conversion technology and resells a portfolio of gasoline to natural gas and propane conversion systems through both Company-owned and franchised service centers in twelve states and directly to domestic and international original equipment manufacturers. The Company's primary facility is a 12,000 square foot state-of-the-art systems development and emission testing lab in Atlanta, Georgia. The Company's current clients include General Motors (NYSE:GM - News), http://www.gm.com; United Parcel Service (NYSE:UPS - News), http://www.ups.com; US Postal Service; Dallas County School System, Portland, Oregon School System; Oklahoma Natural Gas and a host of private purchasers.

About WITCO Limited (WITCO): The company is a wholly owned division of WITCO SYSTEMS of Milwaukee, WI. The parent is a leading distributor of CNG and LPG powered industrial trucks. The company has been investing in market research and development in China for over two years. WITCO is the Company's sub-licensee for China, India, Korea and a host of countries worldwide.

About Weichai Peterson Gas Engine Co., LTD: Weichai Peterson Gas Engine Co., Ltd is a joint-venture Co. of Weichai Power and Peterson HK, specializing in the manufacture of CNG engine. Weichai Power Co., Ltd. ("Weichai Power" or "the Company"), with an estimated 70% market share for the heavy duty truck market in China, was founded by Weifang Diesel Engine Factory together with domestic and foreign investors. Weichai power is a modern enterprise as well as the major enterprise in the PRC specializing in the research and development, manufacturing and sales of diesel engines. The products are widely applicable to different markets, including heavy-duty vehicles, coaches, construction machines, vessels and power generator. The company is listed on the Hong Kong Stock Exchange symbol 2338.HK.

For information at the Company contact CEO Mark Clancy the Company's corporate headquarters at 813-979-9222 or by cellular phone at 813-624-5515 or visit the Company's web site at http://www.hybridfuelsystems.com