robbratton t1_iwxuaed wrote on November 19, 2022 at 4:22 AM Reply to Need to refill tires with nitrogen -- where to go? by [deleted] You know that normal air is already about 78% nitrogen, right? https://www.nationalgeographic.org/encyclopedia/atmosphere/#:~:text=Earth's%20atmosphere%20is%20composed%20of,up%20the%20remaining%200.1%20percent. Permalink 5
robbratton t1_iwxuaed wrote
Reply to Need to refill tires with nitrogen -- where to go? by [deleted]
You know that normal air is already about 78% nitrogen, right?
https://www.nationalgeographic.org/encyclopedia/atmosphere/#:~:text=Earth's%20atmosphere%20is%20composed%20of,up%20the%20remaining%200.1%20percent.