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 ...

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 ...

Some 55% of light vehicles sold worldwide are expected to feature fuel-saving start/stop engine technology nine years hence, according to new analysis by consulting firm Navigant Research, up from ...

Automakers produce vehicles with standard driver-assistance and safety features that can sometimes feel unnecessary. The auto start-stop feature does benefit a specific type of driver in certain ...

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 ...

Some are almost unnoticeable, others make the car shudder each time they activate—but stop-start systems are here to stay. First rolled out in Europe and Asia, where crowded city driving requires cars ...

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 ...

Today’s vehicles are designed to maximize fuel economy in numerous ways. One such feature is the automatic start/stop function that shuts off the engine when your car is idling and restarts it when ...