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?

Cold winter mornings often prompt drivers to start their cars and let them idle before driving. This practice stems from decades-old advice that once made perfect sense for older vehicles with ...

For many enthusiasts, the carburetor is some sort of black magic device that feeds an engine fuel to run. Short of bolting it on and maybe turning the base idle screw to keep the car running, few ...

Mechanical fuel injection was always an expensive and finicky deal. Then along came the microchip and electronic injectors and everything got easier. Mainstream soothsayers predicted the total demise ...

Forget throttle tip-in, driveability, and vacuum at idle. Set the thing on Kill Mode via thimble-sized fuel jets, disregard the power valve, and let the carburetor dump as much fuel as possible down ...

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 ...