The basic difference between direct injection (DI) and the port-fuel injection (PFI) systems we've become familiar with since the mid-1980s is that PFI sprays fuel into the intake manifold (behind ...

Discussions of direct fuel injection are almost entirely focused on diesel engines. Increasingly, however, direct injection is being utilized in gasoline engines ranging from the one in the family car ...

For most of us, the chief requirement for aftermarket direct-port electronic fuel injection is the elimination of the after-installation hassle factor. We anticipate ...

The battle between carburetors and fuel injection systems is almost as old as the automobile itself. From driving some of the industry’s greatest technological innovations to remaining at the heart of ...

Today’s engines face stress from heat, pressure, and carbon buildup. To get the power and gas mileage you expect, your engine needs to operate at its best. Shell V-Power® NiTRO+ Premium Gasoline ...

A tweaked piston crown is all it would take for Mitsubishi to reduce emissions and improve power in direct-injected cars.