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

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, ...

Automatic engine stop‑start was pitched as a clever way to trim emissions and fuel bills without changing how people drive. A decade later, the feature has become a symbol of regulatory box‑ticking ...

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 ...

Start-stop technology shuts the engine off at traffic lights and restarts it the instant you lift the brake. It saves 3 to 10 ...