Hello all,

This is my first post so pardon any errors.

If “AIR” was CO2 then we would not exist as pure Carbon Dioxide is a deadly gas to humans.

The composition of air is:

Component Symbol Volume
Nitrogen N2 78.084% 99.998%
OxygenO2 20.947%
Argon Ar 0.934%
Carbon Dioxide CO2 0.033%
Neon Ne 18.2 parts per million
Helium He 5.2 parts per million
Krypton Kr 1.1 parts per million
Sulfur dioxide SO2 1.0 parts per million
Methane CH4 2.0 parts per million
Hydrogen H2 0.5 parts per million
Nitrous OxideN2O 0.5 parts per million
Xenon Xe 0.09 parts per million
Ozone O3 0.07 parts per million
Nitrogen dioxide NO2 0.02 parts per million
Iodine I2 0.01 parts per million
Carbon monoxide CO trace
Ammonia NH3 trace

I found this site http://www.getnitrogen.org/ to be of interest. I feel that nitrogen is well worth the 5-8 dollars per tire.

My thoughts, worth just what you paid for them.