In President Trump's plan to freeze fuel economy standards last week, the EPA and NHTSA made a strange statement. They said that two of the main technologies used to improve fuel economy standards—turbocharging and multi-speed transmissions—were not as effective as had been expected. Having studied fuel economy standards from their... Multi-speed transmissions and turbochargers don’t save much fuel–oh, really? Analysis
In President Trump's plan to freeze fuel economy standards last week, the EPA and NHTSA made a strange statement. They said that two of the main technologies used to improve fuel economy standards—turbocharging and multi-speed transmissions—were not as effective as had been expected. Having studied fuel economy standards from their...