General Motors has just been granted a patent by the United States Patent and Trademark office for a two stage turbo setup with variable geometry in an internal ...

Turbochargers are one of the best methods for extracting more power out of an engine with less total displacement. Unlike a supercharger, which compresses air at the intake stage and runs off a belt ...

In January, we looked at FlexFoil; a variable geometry airfoil system that seamlessly integrates into the trailing edge of the wing. During the year the system has made the leap from the test bench to ...