Are you the driver who lets the car run for five to ten minutes before you leave in the morning? Or maybe you are the driver who gets disapproving looks from your passengers when you drive off as soon as you start the engine? No matter which end of this dilemma you are on, read on to find out the facts about warming up your car before driving. Our Maryland auto repair experts get this question often, so here is how we answer it. The Logic Behind Warming Up The practice of idl