Traditionally, car tires have been filled with compressed air. Air is 78 percent nitrogen and just under 21 percent oxygen, ...

Can compressed air power a Lego car. In this experiment, we build and test an air-turbine system that drives a Lego vehicle using a 2-liter compressed air tank. By channeling pressurized air through ...

When it wasn’t breaking axles, the car got off the line quickly, trailing clouds of snow that formed as the compressed air expanded and cooled, freezing moisture in the air. However, the car ...

Popular Mechanics’s automotive experts outline the tools and techniques proven to smoke out even the toughest to find vacuum ...

Being electric, the engine and the car as a whole are quiet, with none of the vibration or exhaust noise of a gas-powered automobile. (General area only—air pump not visible) Run by a high ...