Study finds fleet switch from PFI to GDI engines will result in net reduction in global warming
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. May, Greg T.
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