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 ...

Despite a dealer's promise that a known mechanical flaw was fixed in the new model, one 2025 GMC Yukon Denali suffered ...

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 ...

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 ...

Autonomous engine stop-start systems, designed to save fuel by turning off a car’s engine when at a standstill, are increasing in popularity, especially in Europe, where fuel prices are often double ...

Imagine being stopped at a red light at a busy four-way intersection. Watch the tailpipes of the gasoline-powered cars and trucks around you venting wasted exhaust emissions into the air. What would ...

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 ...

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 ...

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 ...

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 ...