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 ...

Injecting water and/or methanol into a diesel engine (gas, too) has been around for more than 75 years, but it didn't really have a good, practical application until WWII, when supercharged and ...

What would you say if we told you there was a product that could make more power, lower harmful emissions, and increase fuel economy, all at the same time? You would probably call us crazy, and you ...

The idea of injecting an incompressible, incombustible liquid into an engine appears, upon initial consideration, like an inadvisable move. After all, those who have watched a driver tackle deep water ...

Water injection, a type of 'anti-detonant injection', is primarily used to minimise the chance of detonation in an engine. Detonation, also called 'knocking', can reduce power and cause engine damage ...