We contacted automakers for their take on this hot-button issue (no pun intended) and got some surprising responses.

Many drivers wonder if they should turn off their engines while waiting at red lights to save fuel. Research shows that ...

We were on a hard newsletter deadline last week when the news broke that the Trump administration had announced what it calls ...

If you’ve driven almost any gas-powered car made in the last 10 years or so, you’ll no doubt have an opinion on automatic ...

The Trump EPA is stepping up once again —this time to save Americans from the inconvenience of buying less fuel. In response to feedback from “countless” Americans, EPA administrator Lee Zeldin said ...

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 ...

GM faces a choice on automatic stop-start after EPA rule changes. Should the automaker kill the feature or give drivers ...

Fed up with your truck "dying" at every red light? A massive 2026 EPA rule change just stripped $2,400 in incentives from auto-start systems. Now, Silverado owners are demanding a permanent software ...

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 ...

We had a caller on the Car Pro radio show who described a problem he was having with his car…his engine was not cutting off when he stopped. I thought it was a blessing, but he seemed concerned. I ...

What does the ultracapacitor do better than anything else? Provide short-term high power for many, many cycles. There are not many applications better suited for that capability than engine cranking ...