"Propane is the fuel of the gods," according to Hank Hill from the television show King of the Hill. Well, we would have to agree with Hank's enthusiasm for the wonder-gas, especially when it comes to ...

Stepping up from its liquid-propane injection kit for the light-duty pickup, Roush Performance Products today introduced an LP-powered Ford F-250 5.4-liter V-8 Super Duty at the 2009 International ...

Over the years we've seen diesel engines fueled with everything from cooking oil to ATF, and just about every other imaginable liquid or gas in between. But nothing has impressed us as much as ...