http://www.howtogirl.com In this day of record gas prices, I share my tips to get the most out of that gallon of gas. Join me as I revisit How-To check your tire pressure, and show you How-To use a new gadget that should be in every How-To Girls car care road kit, a portable tire pump. I also want to teach you How-To change worn windshield wipers. Finally, theres one more really cheap and easy way to save gas! Thats changing an old air filter! Its not as hard as it sounds! Since every ...