It’s the ultimate in flexibility, and it should be on your “watch list” for 2025. Dual-fuel engines can operate on both propane and another fuel source, like gasoline, allowing you to switch between ...

Automobile engines have undergone tons of changes over the years, primarily to make them more efficient. For the most part though, engine changes result from a string of iterative improvements on ...

Port fuel injection (PFI) was a major milestone in the early '80s. The integration of PFI rapidly changed the way fuel was delivered by increasing fuel economy and improving engine performance. Even ...