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 ...

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 ...

We'll discuss the tuning flexibility of port injection, the advantages of the cooling effects of in-cylinder direct injection, as well as how dual injectors (both port & direct) can offer the benefits ...

However, not all innovations are equal, and nor do they follow a constant upward trend. Instead, their evolution takes the form of an S-shaped curve that reflects their typical lifecycle from early ...

Ford announced today that direct fuel injection and turbocharging, which it brands EcoBoost, will increase gas mileage up to 20% on half a million of its vehicles within five years. The 2009 Lincoln ...

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 ...

The other day I dropped my car off at a European specialist shop, and while I was there, a technician was working in the engine bay of a Mk7 Golf R, cleaning out carbon deposits off the intake valves.

Similar Bosch fuel injection systems are currently being used on the Porsche "550" 91 cubic inch racing engines, the 91 cubic inch Borg wards that competed in the '54 Mexican Road Race were so ...

REPLYING to the debate upon aircraft supply in the House of Commons, on July 10, the Minister of Aircraft Production, Lieut.–Colonel Moore–Brabazon, mentioned that where the British aero engine ...

Proving that road technology eventually filters down to race hardware, Porsche will be upgrading the 3.4L V8 present in its ALMS LMP2 class Porsche RS Spyder with direct injection. The technology was ...