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

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

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 ...

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

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 ...

For years, many drivers have complained about engines that cut out at every red light and then start again a moment later.

The EPA’s announced rollback of emissions standards will likely mean fewer new vehicles will have engine stop-start systems ...

Modern vehicles are increasingly equipped with advanced technologies designed to improve fuel efficiency and reduce emissions. One such technology that has gained popularity over the past decade is ...

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

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

The Trump administration is eliminating credits for automakers that include automatic start-stop engine systems, a feature originally intended to reduce emissions but one that has frustrated many ...

The EPA's decision will have immediate impacts on vehicle tailpipe emissions limits and start-stop technology incentives.