Back in 2004, several automakers got together to create a more pure form of gasoline to meet strict standards set by the U.S. Environmental Protection Agency (EPA), now known as Top Tier gasoline.

Once on the road a street rod's gas tank is one of those parts seldom thought about until it's time to pay for filling it up. But when a car is under construction it's a good idea to give the gas tank ...

Drivers have different opinions about how full you should keep your fuel tank. However, according to mechanics, you should stay within this range.