Good gas mileage is something we all want. In fact, many drivers purchase certain cars solely for gas mileage, and almost all of us at least take it into consideration when purchasing a vehicle. While it is true that gas mileage is by and large determined simply by the type of car, there are actually a variety of things you can do to increase the gas mileage of any automobile. The tips Glenn's Auto & Truck Repair in Petaluma want to provide you here are simple and effective steps you can take to increase your gas mileage, often more considerably than you think.