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?

Many newer cars have a function that turns off the engine when the vehicle is stopped. Should you be leaving that function on or turning it off during the gas crisis to save money?

The Auto Start-Stop Function, available with manual transmission cars, automatically switches the engine off when the vehicle is stationary and the driver puts the car into neutral.

EPA shows that the stop-start function can reduce fuel economy by 4 or 5%, especially in start-and-stop traffic situations. But again, it has to be "ON" to help.

Lee Zeldin says the start-stop function, which automakers began installing to reduce emissions in return for federal incentives, annoys most motorists, who consider it “the single worst feature ...

The E.P.A. under Trump is moving to eliminate credits to carmakers for the fuel-saving start-stop function.

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 ...