Q: I have a 1998 Chevy 2500 van with a 5.7-liter gas engine. It has a clutch fan that sounds loud at times, and I feel it is a waste of horsepower. I want to remove it and install an electric one. The ...

This engine is one of the most advanced ever designed.

European Union targets for simultaneously cutting jet engine noise and carbon dioxide emissions can only be met by technology breakthroughs, say engine manufacturers. In Budapest this month the final ...