Porsche has innovated once again. After creating one of the most loved car designs in the world, it has now created a new ...

Whether the engine uses just air or both air and fuel would depend on how fast the car is going. It would run purely on compressed air at speeds less than 35 mph, Vencat said.

A conventional jet engine uses lots of moving parts (see diagram). Rotating blades draw in air and compress it before igniting it with fuel in a combustion chamber, creating rapidly expanding hot ...