Keeping your tirs inflated properly can improve gas mileage by more than 3%. Every gallon of gasoline saved keeps 20 pounds of carbon dioxide out of atmosphere!

• 保持轮胎完全的膨胀能使每英里燃油量增加3%25以上。每加仑汽油能减少20磅的二氧化碳排放到大气中去。