Cold air is good. Hot air is bad. Every gearhead, young and old, is familiar with this line of thinking. We buy hoodscoops, cold-air intakes, and all other manner of contraptions to help feed our ...

Electronic fuel injection. These three words can strike fear in even the most seasoned automotive technician. The reality, however, is that no carbureted induction system can match the fuel-metering ...

Q7 buyers have a choice of the 3.2-liter 240-hp V6 from the Touareg or the next-generation 4.2-liter V8 with stratified fuel injection making 350 hp. The Q has paddle shifters on the sides of the ...

Diesel engines rely on different types of fuel injection. Mechanical was used early on, but common rail became more popular for a few reasons.