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 ...

It's an amazing time when there's new technology in the industry as it forces a new rivalry in speed parts, and direct-injection is firmly in the high-performance arena whether anyone likes it or not.

Direct fuel injection isn't exactly a new idea. It's actually been around since World War II, when it was used on aircraft engines designed by the Germans and Russians and has been used in diesel ...

Direct injection. Just about every car has it now, and those that don’t probably will in the next few years. It can add power, reduce emissions, and is a big part of why just about everybody is ...

Audi has announced that they will be using their Fuel Straight Injection (FSI) direct gasoline injection system on all future engines. Technology development related to indirect (port) fuel injection ...

It has been touted as the automotive holy grail, the ultimate marriage of better performance and greater fuel economy. It's the direct-injection (DI) engine, the latest technology designed to squeeze ...

SAE International Journal of Fuels and Lubricants, Vol. 7, No. 3 (November 2014), pp. 792-802 (11 pages) ABSTRACT Ethanol direct injection (EDI) is a new technology to use ethanol fuel more ...