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  • 8 facts and myths about warming your car up in winter

    Is it good to warm up your car before driving in cold weather? It's common practice, but you may be surprised at the consequences.

    Old habits die hard, and one of the oldest-still rigorously enforced by many drivers-is that "warming up" the car for a few minutes is necessary to avoid some kind of unspecified damage.

    But idling is totally unnecessary, which is why many communities have enacted ordinances against the practice. Don't take my word about idling being ineffective, but do listen to my mechanic, Rob Maier, who runs Maier's Garage in Bridgeport, Connecticut. He says, "You don't really need to idle your car, because of the efficiency of modern fuel injection, which eliminated carburetors and chokes. The only reason to let the car idle at all is to get the oil circulating, but after 30 seconds that's a done deal. My truck has 150,000 miles on it, and I just throw it into gear and go."

    Here are some quick facts and tips that should put the idling question to rest:

    woman scraping ice off car

    1. Driving Warms the Car Faster than Idling.
    If your concern is not the health of the car, but simply your own creature comforts, energy experty

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