Ford is pulling auto start-stop from 2027 F-150s with the 5.0-liter V8 and keeping cylinder deactivation. Start-stop lost its ...

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 ...

There's no question whether auto start-stop technology brings about tangible fuel economy benefits. A study by the Society of Automotive Engineers (SAE) found that drivers could potentially see a 7-26 ...

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 ...

The Trump EPA is stepping up once again—this time to save Americans from the inconvenience of buying less fuel. In response to feedback from “countless” Americans, EPA administrator Lee Zeldin said ...

Everybody has an opinion on auto-start/stop, that aspect of modern cars that’s become weirdly politicized. I say “weirdly” because it’s largely optional now, and there’s nothing intrinsically ...

DETROIT – The Environmental Protection Agency announced an end Thursday to credits to automakers who install automatic start-stop ignition systems in their vehicles, a device intended to reduce ...

There are plenty of ways to make an internal combustion engine burn more efficiently, but nothing will ever be as efficient as an engine that is not spinning at all. That is the basic idea behind auto ...