Some vehicles come with an auto start-stop feature that shuts off the engine when drivers brake. Is this feature worth ...

An automatic start-stop system in vehicles is known by many names: Some call it a "stop-start," others "S&S," and others a "micro-hybrid technology." But whatever you call it, it's a common feature in ...

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 ...

EPA boss Lee Zeldin hints that the tech could be hit with some sort of official regulation this week Automatic start/stop systems save fuel but are disliked by many drivers. EPA administrator Lee ...

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 ...

Earlier this month, the EPA ended the “off‑cycle” emissions credit for automatic engine start‑stop systems, thereby removing the OEM incentive to install them on mass-market vehicles. As a result, ...

What just happened? The Environmental Protection Agency is stripping automakers of a key compliance tool: emissions credits for automatic start-stop systems, the software-driven technology that shuts ...