"Stormin Mormon" wrote in message
...
On 11/5/2014 6:50 PM, Jeff Strickland wrote:


The idea is that a molecule of nitrogen is larger, therefore it will
seep out slower. Let's assume this is true, is it worth money to
forestall putting more air into the tires someday? There's NOTHING WRONG
with nitrogen, the problem is paying for it.


It's been a few decades, but nitrogen
atomic weight 14, oxygen is 16.

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Probably has not changed, but with global warming there are no guaranties.