"The Surprising Truth About Warming Up Your Car Before Driving"
AAA advises drivers to only idle their cars for the time it takes to fasten their seat belt, as idling for longer periods is more myth than fact and can increase wear and emissions, especially in cold weather. Brutally cold temperatures and dangerous wind chills continue to impact much of the U.S., with about 150 million Americans under a windchill warning or advisory for dangerous cold and wind.