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 ...

Fuel injection, it’s the wave of the future. Well, at least it was in the late 1970s and early 1980s. This was really the dark ages of fuel delivery in cars and trucks. Carburetors worked pretty well ...

A BS6 direct-injection CNG retrofit should be judged by the approval, kit compatibility and installation process, not simply ...

The benefits and shortcomings of EFI versus carburetion is a hot and ongoing battle in the hot rod community-and one that we're not going to engage in for this feature. No, for this one we're going to ...

While aftermarket CNG conversions are not new, with the rise in fuel prices, there has been a noticeable spike in interest surrounding them. Although there are more factory-fitted CNG cars on the ...