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 ...

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 sold as a painless way to cut emissions and fuel bills, a tiny software trick that would shut the engine off at red lights and fire it back up when the driver lifted ...