For more than a decade, automatic engine start/stop systems were sold as painless climate tech, a clever way to trim fuel use ...

Any driver who’s ever tried to get through the Holland Tunnel or over the George Washington Bridge at rush hour knows what it’s like to sigh, cuss and shut off their engine after sitting in ...

Visit any European city, and you'll be struck by an unfamiliar sound: That of engines, previously silent, re-starting on every green light. A large number of cars in Europe now feature stop-start ...

Antony Ingram August 20, 2013 Comment Now! We'd bet that few potential Corvette buyers give the car's fuel efficiency much consideration. It's a car built for MPH, not MPG. That doesn't mean a few ...

CARS.COM — Gas prices may be low now, but fuel economy remains an important factor when buying a vehicle. One strategy automakers use to improve mileage is an automatic engine stop-start system (you ...

The 2014 Chevrolet Malibu packs a surprise: It’s the first mainstream mid-size sedan sold in the United States with standard automatic engine stop-start that saves gasoline. The system turns off the ...

Many drivers wonder if they should turn off their engines while waiting at red lights to save fuel. Research shows that turning off a warmed-up engine for stops lasting just 10 seconds or longer can ...

We’ve heard about BMW’s non-hybrid start-stop engine used in the European 1 and 3 Series, but Mazda is developing a more efficient version. Mazda’s independently developed system, dubbed Smart Idle ...

Back in July we reported Lamborghini was working on new cylinder deactivation technology for the Aventador to help it achieve better fuel economy numbers. Turns out we were right. Lamborghini just ...

Q: Is it true that most of the engine wear happens every time the engine starts? If so, then does the start/stop engine feature add wear? A: Most engine wear occurs after cold starts (when the engine ...