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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

unveiled its next generation of high pressure direct injection natural gas technology platform, Westport HPDI 2.0. Westport HPDI uses natural gas as the primary fuel in a Diesel (compression ignition) cycle along with a small amount of diesel fuel as an ignition source. The natural gas is injected at the end of the compression stroke.

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