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

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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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Consumer Reports testing finds many small turbo engines underperforming; fuel economy, acceleration no better than in larger conventional powertrains

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Consumer Reports’ own fuel economy tests of vehicles equipped with small turbocharged engines has found in many cases that the turbocharged cars tested by CR have slower acceleration and no better fuel economy than the models with larger conventional engines, the organization said. l/100 km) figures—i.e.,

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Nissan boosts fuel economy of 2013 Pathfinder SUV by 30%, drops weight by 500 lbs

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liter DOHC V6 engine mated to a next-generation Xtronic CVT (Continuously Variable Transmission) to help provide up to a 30% increase in combined city/highway fuel economy over the previous V6-equipped model while maintaining comparable power. By comparison, the 2WD MY 2012 Pathfinder, equipped with a 6-cylinder, 4.0L

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2014 Cascadia Evolution Class 8 rig delivers 10.67 mpg on closed-track demo; 7% better fuel economy than EPA 2010 Cascadia in cross-country tour

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The Freightliner Trucks 2014 Cascadia Evolution—powered only by the newly designed Detroit DD15 engine and featuring enhanced aerodynamic specs—delivered fuel economy of 10.67 Fuel consumption and distance traveled were again documented by ATDS. mpg US (22 L.100km) Freightliner Cascadia Evolution. Click to enlarge.

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Mercedes brings lean-burn, stratified BlueDirect to CLA-Class for 7% boost in fuel economy; new all-wheel A-Class diesels

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Mercedes-Benz announced that seven new versions of the Mercedes-Benz A-, B- and CLA-Class now offer enhanced fuel savings compared with their respective predecessors. It is also being applied in the new C Class, as highlighted at the North American International Auto Show.) Click to enlarge. l/100 km (43.6

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Argonne study finds BEVs can have lowest scheduled maintenance costs, but highest cost of driving

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Researchers at Argonne National Laboratory, with colleagues from Lawrence Berkeley, Oak Ridge, and National Renewable Energy labs, and the University of Tennessee, have published a comprehensive analysis of the total cost of ownership (TCO) for 12 sizes of vehicles ranging from compact sedans up to Class 8 tractors with sleeper cabs.

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Full lifecycle CO2 of new Mercedes C-Class 10% less than outgoing model

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CO 2 emissions of the C 180 in comparison to its predecessor [t/car]. The C 180 (115 kW) with manual transmission was taken as the base variant of the new C-Class at market launch for the lifecycle analysis; it was compared with the corresponding preceding model. The new C-Class. Source: Mercedes-Benz. Click to enlarge.

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