Speed, efficiency, and altitude are the name of the game when it comes to aircraft; all of which benefit from smaller engines. "There's no replacement for displacement" applies less to piston-engine ...

Before 1981, performance was simple. Auto manufacturers just created bigger engines, more cylinders, and louder exhausts like the Pontiac 7.5L V8 engine, used in models like the GTO, Firebird Trans Am ...

There is nothing quite like the sound of a blow-off valve and getting pushed back into your seat when the boost kicks in. Turbocharged engines deliver power, efficiency, and excitement, but they ...

Automobiles, as any mechanic will tell you, are complicated beasts. Enthusiasts, of course, will have a solid grasp of the jargon. They'll know at a glance what the unusual shape on that road sign ...

Turbocharged engines can be great at boosting performance and efficiency, but in life, as in economics, there's no such thing as a free lunch. In other words, benefits like those come with a cost, ...

There was a time when the word "turbo" meant one thing: performance. If a car had a TURBO badge on it in the 1980s, somebody in the neighborhood was probably about to lose a stoplight race. Today, ...

Luxury auto manufacturers are constantly looking to push the envelope of power and efficiency, and Audi has stood out from the pack with the TFSI system installed on its turbocharged engines. Audi ...