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 ...

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 ...

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 ...

Gasoline direct injection (DI) engines have been lurking in the shadows of gasoline-burning, internal combustion engine development for decades but are now becoming mainstream. This is all good, as DI ...

Electronic fuel injection revolutionized the auto industry in the 1980s. It came to replace the carburetor in the task of sending fuel to the engine's cylinders but it does much more: it controls ...

Having fuel injectors on all mass-produced vehicles is one of the biggest automotive breakthroughs of the past few decades. If you've ever gone through having to start an engine with a poorly tuned ...

There are multiple variations of the internal combustion engine, but the most common would be the 4-cylinder. This ...

If you own an '81-'90 4.2L (258ci)-powered Jeep, there's something lurking behind your local Mopar dealer's parts counter that will interest you. It's called the Mopar Performance Jeep 4.2 Liter ...

Last week, a partnership between Löweheiser xºtech startup and the pioneer UAV manufacturer Quaternium was announced, which led to the achievement of a new world record of multirotor endurance with an ...

There is a new power war going on in the semi-truck segment. Swedish giants Volvo and Scania have been exchanging blows for ...