BMW includes the start stop system in its latest 3-Series and M3 models, but drivers have the choice of turning the system off when the car is started via a dash-mounted switch. On new 3-Series 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 ...

Start/stop technology can mitigate this waste. Some three dozen car and truck models already available in the U.S. have start/stop systems of one sort or another. By 2015, this is expected to extend ...

BMW M5 Concept boasts start-stop, 25% reduction in fuel consumption, emissions BMW M5 Concept – Click above for high-res image gallery ...

The second of two production-destined hybrids unveiled by BMW at the Frankfurt Auto Show, the ActiveHybrid 7 Series joins the X6 ActiveHybrid to expand the German automaker’s focus on ...

The automatic start/stop function shuts off the engine when your car is idling. But just how much does this technology really save you on gas?