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. In addition, deploying turbocharged, downsized engines—which are expected to replace many current engines—may cost more and produce less fuel savings than the agencies’ analysis indicates.