Every time your engine cuts at a red light and fires back up when traffic moves, you might wonder how much extra punishment those restarts create. Automakers know you ask that question, and they have ...

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 ...

A decade ago, a car getting an automatic start/stop system was news, but these days, they've been almost entirely forgotten outside of a small group of weirdos who can't let it go. Unfortunately for ...

The E.P.A. under Trump is moving to eliminate credits to carmakers for the fuel-saving start-stop function. By Ben Blatt Would you be willing to pay more for gas if your car could be a little less ...