For more than a decade, automatic engine start/stop systems were sold as painless climate tech, a clever way to trim fuel use by cutting the engine at every red light. Now the feature is rapidly ...

The EPA's new deregulatory action effectively ends the mandate of auto stop/start on new vehicles.

Donald Trump-appointed Environmental Protection Agency head Lee Zeldin tweeted on Monday implying he will be making it his mission to roll back any progress that automakers had made on automatic start ...