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to 2 ratio points and maintain the same knock limit for an additional 3-4% improvement in fueleconomy. It avoids pumping work through the turbocharger to improve fueleconomy, and by phasing the two cams, the lobes, relative to each other we can actually modulate boost. Source: Borgwarner. Click to enlarge.
Two-thirds of owners surveyed said they expect their next vehicle to get better fuel mileage than the one they’re driving now, and fueleconomy topped the list as the most important consideration when shopping for their next car, followed by quality and safety.
These projects will receive more than $115 million in funding to develop and demonstrate systems-level fuel efficiency technologies by 2015, including improved aerodynamics, reducing engine idling technologies, waste heat recovery to increase engine efficiency, advanced combustion techniques, and powertrain hybridization. 38,831,115.
In April 2009, Chrysler unveiled four all-electric Chrysler Town & Country minivan concepts to the US Postal Service (USPS) in Washington, DC. In August, Chrysler took $70 million in grants from the US Department of Energy to develop a test fleet of 220 hybrid pickup trucks and minivans. Earlier post.). Earlier post.).
According to its estimates, adopting the full combination of improved technologies in medium and large cars and pickup trucks with spark-ignition engines could reduce fuel consumption by 29% at an additional cost of $2,200 to the consumer. Turbocharging and downsizing can also yield fuel consumption reductions.
The engine should yield fuel efficiency gains of more than 50% compared to a downsized, turbo-charged gasoline direct injection engine, while reducing the overall cost of the powertrain system, said Fabien Redon, Vice President, Technology Development at Achates Power. Earlier post.) displacements, said Redon. Fabien Redon.
Various combinations of commercially available technologies could greatly reduce fuel consumption in passenger cars, sport-utility vehicles, minivans, and other light-duty vehicles over the next 15 years without compromising vehicle performance or safety, according to a new report by the National Research Council.
2/12/07 GM is aggressively pursuing plug-in hybrids "because of the tremendous potential to significantly increase fueleconomy," according to spokesman Brian Corbett. But I can tell you that this is a top priority program for GM, given the huge potential it offers for fuel-economy improvement." ( GM ). Red Herring ).
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