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 ...

We're sure you've heard the stories about how nitrous oxide was first pioneered on German fighter planes during World War II--the Focke-Wulf and Messerschmitt interceptors used nitrous in conjunction ...

Brett T. Evans has more than a decade of experience driving, writing about, and evaluating automobiles. His early career comprised writing about pre- and post-war classic cars, as well as late-model ...

In 2010, diesel engine manufacturers set a precedent when many of them added urea injection aftertreatments to their exhaust systems. This emissions solution meant another tank of fluid to fill (at ...

Pushing the limits is in the nature of every gearhead. How much cam can you run? How big of a carb can you get away with? How much compression will pump gas hold? Those aren't just simple questions ...