Here are some fun facts.
To sustain 60 mph on flat ground with a car weighing 4500 lbs, it only takes 50 horsepower.
Our atmosphere is basically 80% nitrogen and 20% oxygen. Long ago the atmosphere used to have about 30% oxygen in it. Nitrous oxide is about 66% nitrogen and 33% oxygen.
For each gallon of gasoline your vehicle burns 20 lbs of carbon dioxide is released into the atmosphere.