Until we all get our atomic hovercars, the good majority of what we drive utilizes internal combustion engines for propulsion. The engine is more or less a giant air pump - it takes in air, mixes it with fuel, compresses the mix, then adds a spark to make power. An engine can breathe in a surprising volume of air. A small 2-liter engine can huff nearly 3000 liters of air per … [Read more...]