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

As more owners speak up, regulators and safety advocates are starting to treat these stories as more than just venting. The ...

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 ...

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 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 ...

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 ...

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 ...

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 ...