If you’ve ever rolled up to a red light, felt the engine shut off, and had that half-second of “Wait… did my car just stall?” ...

As part of its broader rollback of U.S. fuel economy rules, the Trump administration says it is eliminating a credit for automakers that got breaks on the fuel economy compliance if they installed ...

One of the more controversial features on modern passenger cars, including those from General Motors, is engine stop/start. Now, however, engine stop/start critics will be happy to learn that the 2022 ...

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, ...

Toyota has quietly made a change in most of its models that could save lives if a car's accelerator sticks open -- and it's not the one at the center of the $1.1 billion settlement of Toyota's ...

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 ...

If you have driven a car in Europe or Japan recently, you may be familiar with an energy efficiency technique called stop-start. Drivers in the U.S. will soon begin to experience this fuel-saving ...