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Eaton contributing several components to DOE SuperTruck II program

Green Car Congress

Eaton announced it is contributing several components to truck manufacturers participating in the U.S. Eaton is supplying a number of leading-edge technologies that improve fuel economy and reduce emissions to Original Equipment Manufacturer (OEM) teams. Department of Energy’s (DOE) SuperTruck II program. Earlier post.).

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Torotrak to present extreme engine downsizing solution at Dresden supercharging conference

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At the 21 st Supercharging Conference in Dresden next week, Torotrak Group will present results from engine testing that verify previous claims for V-Charge, a variable drive mechanical supercharger. V-Charge system with mechanical variable drive outperforms conventional boosting methods on downsized gasoline engine.

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Eaton Highlights Range of New Products to Reduce Fuel Consumption and Emissions

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The all-new electronic limited slip differential, Ultra Posi is designed for front and rear-wheel drive vehicles, performs comparably to four-wheel-drive and all-wheel-drive systems and provides up to a 10% savings in fuel economy, Eaton says. —Chris Ostrander, vice president and general manager - Eaton Torque Controls.

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DOE awards Envera $2.8M to develop and to test efficient variable compression ratio engine

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The new engine will achieve high efficiency using the Atkinson Cycle with an 18:1 compression ratio, combined with aggressive engine downsizing. The engine will include new technologies developed by Envera and Tier-1 supplier Eaton. Eaton will provide a new advanced supercharger and variable valve actuation (VVA) technology.

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CALSTART survey of major auto suppliers finds 70% don’t want US to change CAFE targets; split on amount of electrification needed

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When presented with a list of technologies analyzed within a National Academies of Science report ( earlier post ) that might be used to meet fuel-efficiency standards, suppliers picked turbocharging and engine downsizing, along with higher-speed automatic transmissions, as the most critical.

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

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The Freightliner SuperTruck uses a downsized and downsped 10.7-liter The SuperTruck also incorporates Predictive Hybrid Control, which optimizes hybrid battery-charging strategies to the terrain of the road ahead. The SuperTruck’s hybrid system takes kinetic energy generated from downhill braking to charge its battery.

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Update on the ACCESS fuel efficient engine project; simulations find up to 48.9% improvement in fuel economy over baseline

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To achieve the target fuel economy improvement over the baseline V6 configuration, the team used GTDI technology for downsizing in combination with part-load lean homogeneous charge compression ignition (HCCI) operation for further fuel economy gains. The project team is replacing a 3.6L I4 Ecotec engine. Wheeler, J., Polovina, D.,