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 ...

Image Credit: Johntorcasio - Own work, CC BY-SA 4.0, Wikimedia. In a dramatic shift in federal environmental policy, the U.S. Environmental Protection Agency (EPA) under Administrator Lee Zeldin ...

Every car guy has that one engine swap they can’t stop thinking about. The kind that makes zero financial sense but would sound absolutely ridiculous at full throttle. These three combinations are ...

Start/stop systems are among the simplest ideas in automotive history—turn off the engine when you don’t need it, save fuel, and start again when you do. Passenger cars embraced this decades ago, but ...

Start-stop is a technology that automatically shuts down a vehicle's engine when a driver comes to a complete stop and then automatically restarts the engine when the driver takes their foot off the ...

DETROIT (AP) — 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 ...

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 ...

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 ...

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, ...

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 ...