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Chevron introduces new category of heavy-duty motor oil for severe duty applications; improved fuel economy

Green Car Congress

The increase in severe duty operations is due to changing driving habits on highway, including shorter haul lengths, the growth in intermodal delivery, and more stop-and-go operations, while off-highway has new energy efficient equipment that helps minimize fuel usage by cycling engines from load to no load.

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NREL study finds Class 8 hybrid trucks delivered 13.7% higher fuel economy than conventional diesels in comparable usage

Green Car Congress

Laboratory and in-use fuel economy comparison. higher fuel economy than the conventional tractors, resulting in a 12% reduction in fuel costs for the hybrids. higher fuel economy than the conventional tractors, resulting in a 12% reduction in fuel costs for the hybrids. Source: NREL.

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Odyne Systems delivers 7 plug-in hybrid work trucks through the Wisconsin Clean Transportation Program

Green Car Congress

The Odyne plug-in hybrid drive system reduces fleet operating and maintenance costs, and depending on duty cycle, enables large trucks to obtain significant fuel economy improvements compared to traditional diesel engines. The trucks are used for construction and maintenance of the Marshfield utility grid.

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Kenworth and Peterbilt to add heavy-duty Cummins Westport ISX12 G to line of natural gas engines

Green Car Congress

Kenworth Truck Company and Peterbilt Motor Company will expanding their alternative fuel line-up by offering the Cummins Westport ISX12 G heavy duty natural gas engine ( earlier post ) for use in regional haul, vocational and refuse markets. —Michelle Harry, Kenworth natural gas vehicle marketing manager. Click to enlarge.

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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

Among medium- and heavy-trucks, Class 8 trucks are the largest CO 2 emitters and fuel users, consuming two-thirds of all truck fuel, or 1.57 Current fuel economy for Class 8 trucks is estimated by the US Department of Energy at 6.0 million barrels per day. mpg and projected to rise modestly to 6.8 mpg by 2025 (EIA, 2009).

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