Carburetors are old news. We've moved on to electronic fuel injection long ago. But of the two main varieties of fuel ...

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 ...

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 has some big advantages, but automakers increasingly are using gasoline direct injection instead. The ...

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 ...

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 ...

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 spark-ignition (DISI) engines have been investigated for many years but only recently have shown promise as a next generation gasoline engine technology. Much of this new enthusiasm ...

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 ...