We contacted automakers for their take on this hot-button issue (no pun intended) and got some surprising responses.

As part of its broader rollback of U.S. fuel economy rules, the Trump administration says it is eliminating a credit for automakers that got breaks on the fuel economy compliance if they installed ...

If you’ve driven almost any gas-powered car made in the last 10 years or so, you’ll no doubt have an opinion on automatic ...

The EPA said it will end credits for the start/stop feature, which shuts off gas engines when cars are idle to save fuel.

GM faces a choice on automatic stop-start after EPA rule changes. Should the automaker kill the feature or give drivers ...

In a dramatic shift in federal environmental policy, the U.S. Environmental Protection Agency (EPA) under Administrator Lee ...

We were on a hard newsletter deadline last week when the news broke that the Trump administration had announced what it calls ...

DETROIT (AP) — The Environmental Protection Agency announced an end Thursday to credits to automakers who install automatic ...

Manufacturers will no longer get a credit toward vehicle emissions standards by installing engines that automatically stop at ...

Start-stop is a relatively small feature with a dense engineering stack behind it. Modern systems tie together the engine control unit, starter-alternator hardware, beefed-up 12-volt or ...

The automatic start/stop function shuts off the engine when your car is idling. But just how much does this technology really save you on gas?

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 ...