Is the pure nitrogen gas that discount tire puts in their tires safe for the environment?

very. the air you breathe is mostly nitrogen gas you know. only a small percentage of air is oxygen. nitrogen gas is also very stable doesn't combustion like oxygen so it is very good to be used in tires.|||Since the atmosphere is 78% nitrogen, and nitrogen is an inert gas, then I would say it is no more harmful than regular compressed air. In fact, if nitrogen performs the way tire shops say it does, then the pressure in your tires should remain constant, resulting in better fuel mileage, less fuel burned, less harmful emissions, less tire wear, which is all around better for the environment.|||i'd imagine so.


isn't the air we breathe mostly nitrogen anyway?|||Sure. Most of what we breathe is nitrogen anyway.