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 ...

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 ...

UPDATE 2/16/26: We've added a statement from Stellantis. As part of a sweeping policy change, the Environmental Protection Agency (EPA) says that it's "eliminating" engine stop-start systems from ...

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, ...

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 ...

The leader of the Environmental Protection Agency proposed rolling back the automatic start-stop feature in cars. The start-stop technology was implemented in more cars following federal regulations ...

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 ...