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Study Concludes That Class 8 Truck Fuel Consumption Could Be Reduced By Up to 50% By 2017 Using Existing and Emerging Technologies; Current Payback Requirements Could Forestall Implementation

Green Car Congress

Transportation sources accounted for approximately 40% of all GHG emissions in the US in 2006; medium- and heavy-duty vehicles (above 8,500 gross vehicle weight rating) represent about 22% of the transportation emissions, up from 15 percent in 1990, according to the EPA. million barrels per day. mpg and projected to rise modestly to 6.8

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Westport unveils next-generation High Pressure Direct Injection (HPDI 2.0) natural gas system for HD trucks

Green Car Congress

The compression ratio of an engine with Westport HPDI is the same as the diesel engine on which it is based, which results in fewer changes to engine components and preservation of the fuel economy benefits associated with high compression. Westport HPDI 2.0 Exclusive Westport HPDI 2.0 Proprietary HPDI 2.0

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