Many new cars come with automatic engine start-stop. These systems are designed to save the fuel wasted at idle by turning ...

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 ...

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 ...

The E.P.A. under Trump is moving to eliminate credits to carmakers for the fuel-saving start-stop function. By Ben Blatt Would you be willing to pay more for gas if your car could be a little less ...

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 ...

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, ...