While power and fuel efficiency tend to be inversely related, is there really no way to go fast without using plenty of fuel?
A smaller engine always uses less fuel, since its capacity is smaller - while that seems to make perfect sense, it really might not be the case these days.
Caltex's Techron Concentrate fuel system cleaner is now available for diesel-powered vehicles, with the new Techron D Concentrate.
The National Environment Agency has just announced that petrol vehicles with port fuel injection will not be exempted from particulate matter tests.
In the WLTC, water injection makes it possible to save up to 4 percent of fuel; in real driving conditions, fuel consumption can be reduced by up to 13 percent.
Your car's air intake system draws air, from the outside, into your engine. But do you know exactly how it works? Here's what you need to know.
Porsche will be presenting the new Panamera to the public for the first time at Auto Shanghai 2009 in China from 20 - 28 April.
Scheduled for launch in 2009, the system improves fuel economy of gasoline vehicles by around 10%
After the road-going Porsche Cayenne and 911, now the sports prototype RS Spyder profits from direct fuel injection technology (DFI).
4 new 911 models for Porsche with all-new flat-six engines.