Engineers design modern engines to run in a narrow temperature window where power, efficiency, and emissions all line up. The thermostat sits at the center of that control, opening and closing a ...

Ask anyone who learned to drive before the 2000s how they start a car on a cold morning. You'll probably hear the same routine. Start the engine, get out, scrape the windshield, and let it idle for ...

There are plenty of different schools of thought on the matter, but the truth depends on what type of car you have. There are differing opinions on how long an engine should idle and warm up before ...

As frigid temperatures engulf large swaths of the nation, auto experts are debunking a longtime myth about driving in cold weather. AAA, a federation of motor clubs, recommends drivers start their ...