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 ...

GM Powertrain announced today it will deliver a 3.6-liter V-6 gasoline engine with direct injection and variable valve timing (VVT) technologies in the 2008 model year. A vehicle application will be ...

Volkswagen uses TSI and TFSI to denote many of its engines. But just how much of a difference comes from those alternate ...

Alex Kaufmann September 5, 2007 Comment Now! GM will be debuting a new direct-injection petrol engine in the 2008 Cadillac CTS but according to a new report the power-boosting technology could carry ...

In the ten years since its debut in the Corvette, the LT family has grown significantly with several variations offered across many GM platforms. The aftermarket has responded positively and is ...

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 ...

Direct injection offers numerous benefits over port fuel delivery but could it be a bigger headache than it’s worth? The automotive industry has gradually switched to direct injection over the past ...

Every new car sold in the United States today uses fuel injection, but not all fuel injection systems are the same. Some cars use port injection, while others use direct injection. Some even use both.