The Porsche has the horsepower advantage, but the helicopter is lighter and doesn't have to deal with any traction issues.

From Hot Wheels toys to crazy SEMA creations and crowd-claiming dragsters, twin-engine cars are nothing new, but they certainly are a novel way to take your custom build to the next level. After all, ...

Once upon a time, combining the two main forms of forced induction was about the only way to get the benefits of both. That's not the case anymore. Turbocharging technology has advanced dramatically ...