Cars these days are littered with acronyms that denote various items, from the engine to the safety equipment. What does the common EFI acronym stand for?

The first thing you should understand is that direct-port, constant-flow fuel-injection—Hilborns, En-derles, Crowers, whatever—were never designed, nor intended, to be run on the street. All of these ...

From the 1954 Mercedes-Benz 300 SL to modern GDI, explore how fuel injection rose to dominance and why carburetors never ...

Cutaway of Chev engine showing fuel injection components. Air meter, right, picks up vacuum signals in venturi and transmits them to diaphragms in fuel meter on right. With all the noise currently ...

The key ingredient to maximizing the peak performance of a diesel engine is increasing the amount of diesel being burned. On old mechanical-injection engines, the only way to do this was to modify the ...

Vehicle fuel injectors are integral to a car's engine fuel delivery system. Fuel injectors are responsible for delivering the right fuel at the right time. Gasoline and diesel-powered engines of all ...

Lots of new car engines these days are built with both port and direct fuel injection. On the surface, that might not make much sense. Why would a carmaker use two different types of injection methods ...