Climate Change Downsizing Fuel Economy Maintenance 
Green Car Congress
MAY 12, 2017
Gasoline direct-injection (GDI) engines have higher fuel economy compared to the more widely used port fuel injection (PFI) engines. emission control technologies, and vehicle age and maintenance history. … For our fleet, increases in the fuel economy of 1.6% (0.5−2.4%; —Saliba et al.
Green Car Congress
JULY 17, 2015
Frank has spent more than 30 years in breakthrough vehicle development, during which he received two world records for vehicle fuel economy, designed nine generations of PHEVs, and was a four-time winner of US DOE Advanced Vehicle Design competitions. Smaller and lighter, it requires less liquid fuel.
Tony Karrer Delicious EVdriven
APRIL 21, 2009
2/12/07 GM is aggressively pursuing plug-in hybrids "because of the tremendous potential to significantly increase fuel economy," 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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