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 ...

If you flip through the list of features on just about any new car or truck, you’re likely to see the words “direct fuel injection,” or DI. The concept is straightforward enough -- engineers have ...

Direct injection motors are the new cool kids on the block and it's becoming more an more common on newer cars. What is direct injection? Should I be afraid of it? This video from Savagegeese explains ...

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 ...

The power, fuel efficiency, and longevity of an engine will heavily depend on the fuel that’s being delivered. Furthermore, an engine’s efficiency is dependent on a precisely calculated air-to-fuel ...

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.

The 2014 Chevy Corvette will be powered by an all-new 6.2-liter V8 that combines direct fuel injection, continuously variable camshaft timing and cylinder deactivation to make the sports car both ...

Question: I was having a conversation about cars with my 14-year-old son, and the topic of fuel injection came up. He wanted to know how it works, and I began to tell him, but then realized I didn’t ...

Viknesh Vijayenthiran March 14, 2007 Comment Now! Researchers at MIT have come up with a new engine design that improves the fuel efficiency and output of today’s powerplants but at a fraction of the ...

Viknesh Vijayenthiran July 30, 2008 Comment Now! Porsche will add direct-fuel-injection technology to its high-performance Turbo and GT3 and GT2 variants of the 911 Coupe as part of the mid-cycle ...

The US Court of Appeals for the Federal Circuit affirmed three Patent Trial & Appeal Board final written decisions finding claims of three related patents unpatentable as obvious and reiterated that ...