Propane Autogas – Conversions and Infrastructure

CleanFUEL USA Awarded EPA and CARB Certification on Freightliner Custom Chassis

July 19, 2013

CleanFUEL USA, a developer of liquid propane fuel injection systems, has received Environmental Protection Agency (EPA) and California Air Resources Board (CARB) certification for the S2G chassis from Freightliner Custom Chassis Corporation (FCCC). The engine and fuel system may now be purchased and used in all 50 states and Canada for up to 33,000 lbs. GVWR.

The chassis, which includes an 8-liter engine built by Powertrain Integration from a General Motors long block and a Liquid Propane Injection (LPI) system manufactured by CleanFUEL USA, will be in full production by early September. Initial chassis platforms include a propane bobtail delivery vehicle and a propane autogas school bus, the Thomas Built Saf-T-Liner C2.

The S2G touts a carbon monoxide rating of 60-percent below and a nitrogen oxide rating of 20-percent below EPA set standards for heavy-duty vehicles. 

In addition to emissions certification, the S2G has undergone years of rigorous and comprehensive reliability testing, such as validation of the complete engine assembly (including the heavy duty accessory drives), engine durability tests, heavy-load testing and multiple rounds of high-altitude, cold and hot weather testing.

The S2G joins other propane autogas vehicles CARB-certified with CleanFUEL USA's LPI system, including the GM 6.0-liter G4500.

Learn more at cleanfuelusa.com.

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