Direct-injection engines were introduced with a promise that sounded ideal: more power, better fuel efficiency, and cleaner ...

The power, fuel efficiency, and longevity of an engine will heavily depend on the fuel that’s being delivered. Furthermore, ...

2008 - PACE Award Winner Continental What: Piezo Direct Injection System for Gasoline Applications Judge's Citation: Improving fuel injection is aimed at better performance from less gasoline, meaning ...

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 ...

Direct injection systems, in which a high-pressure fuel pump pressurizes the fuel for injection directly into the cylinder by an injector, provide greater freedom in the injection timing and volume ...

2003 - PACE Award Winner Siemens VDO Automotive What: Piezo Common Rail Diesel Direct Injection System Judge's Citation: With Siemens’ Piezo Common Rail Diesel Direct Injection System, the company ...

GENEVA -- German carmakers are bringing gasoline direct injection technology to the United States. Audi hit the market first and will be followed closely by BMW. But Mercedes-Benz will wait for wider ...

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 ...

In the late 1990s, the automotive industry had great expectations for gasoline (petrol) direct injection (GDI). The technology was heralded as the panacea for fuel economy and emissions, with a ...

Until the early 1990s, many gasoline engine designs relied on carburetors to produce the fuel-air mixture needed to make the power that makes a car move. However, as the regulations around fuel ...