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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

Green Car Congress

Suppliers identified a wide range of conventional and electric technology that could be used to meet the standards. Suppliers were split on whether or not meeting the standards would ultimately require more electric vehicles than are already slated to hit the roads under state zero-emissions vehicle requirements.

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

Green Car Congress

The Freightliner SuperTruck uses a downsized and downsped 10.7-liter The SuperTruck’s AC system runs entirely off the electricity powered by the hybrid system. Aero/cooling: Auto Research Center, CD-adapco, Freight Wing, Lang Mekra, Modine, TitanX, Truck-Lite. DTNA SuperTruck technology elements. Click to enlarge. Powertrain.

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

Green Car Congress

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.,