U-M study finds current CAFE standards create profit incentive for larger vehicles
Green Car Congress
DECEMBER 7, 2011
Simulations of future vehicles under the footprint-based standards found that the sales-weighted average vehicle size increases by 2–32%, undermining gains in fuel economy by 1–4 mpg (0.6–1.7 Furthermore, their results suggest that the incentive is larger for light trucks than for passenger cars, which could increase traffic safety risks.
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