NRC report finds Federal analysis to set LD CAFE and GHG standards generally of high quality; some technologies and issues should be re-examined
Green Car Congress
JUNE 19, 2015
to 41 mpg by 2021 and 48.7 mpg by 2025. Men and drivers over 45 were more likely to favor engine improvements, while younger motorists preferred alternative fuel sources (diesel, electric, hydrogen) as the primary means to save fuel and reduce emissions. Gasoline internal-combustion engines rated second-most preferred at $2.50/gallon,
150 
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