Not all spark plugs are created equal, and knowing which one your car needs can vastly improve your car's fuel economy.

You can get the efficiency of electric driving with the peace of mind of a gas backup making the plug-in hybrid a good compromise. Despite the growing popularity of traditional electric vehicles, not ...

Plug-in hybrid cars have become more popular recently, as automakers have had to come up with a quick way to meet tightening emissions restrictions, all while having to deal with the ever-changing ...