Study estimates fuel economy improvements to US light-duty vehicles from 1975–2018 saved 2T gallons of fuel, 17B tons of CO2
Green Car Congress
MAY 3, 2020
Third, they used estimates of the fuel price elasticity of light-duty vehicle fuel economy and a lagged adjustment model to estimate the effects of gasoline prices on mpg from 1975 to 2018 in the absence of fuel economy and GHG regulations. Again, because of the uncertainties in the attribution they conducted a sensitivity analysis.
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