what's up with nitrogen? first, they want us to put it in our tires, claiming getting rid of that 22% of normal air that isn't nitrogen has some benefit in reducing oxidation or something. so it will ad what, three days to the life of the tire? I know it is used in aircraft and the shuttle primarily because it doesn't burn

and since it doesn't combust, this is a natural...
now i see it "enhancing" gasoline. What, exactly, is the benefit there?