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Daimler Trucks NA SuperTruck achieves 115% freight efficiency improvement over 2009 baseline; 50.2% engine BTE

Green Car Congress

To measure freight efficiency, DTNA ran vehicle testing on highway routes in Oregon and Texas; one city route in Portland, Ore.; Friction-reducing measures include a variable speed water pump, a clutched air compressor, low-viscosity oil and an improved cylinder kit. and anti-idle testing in both a cold chamber and hot chamber.

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Toyota introduces 2012 Prius Plug-in Hybrid

Green Car Congress

With lower exhaust heat, heat efficiency was enhanced, and consequently, fuel efficiency was enhanced as well. EPA label calculations do not include Eco mode. In place of a spare tire, the Prius Plug-in carries a tire-sealing kit and inflator. Power mode increases throttle response in the middle range more than normal.

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