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.

One aspect of routine car maintenance is making sure your fuel injectors are clean, and there's a few things you can do to ...

Fuel does not stay fresh forever. Gasoline begins to oxidize in a few months, forming sticky varnish and gum that can clog ...

Along with improving reliability and performance by enhancing control of the air-fuel mixture, injectors also need less ...