Idling your car gobbles gas at a rate of up to one gallon per hour. And after hours of driving, chances are you'll want to stretch your legs anyway. So go ahead and park your car instead of going stir crazy in the drive-thru.
Save Money on Gas
Don't let record-high fuel prices break your vacation budget. You probably already know that being a miser with the air-conditioning, keeping your tires properly inflated and getting a tune-up will all improve your mileage. Here are other smart ways to scrimp: