Quote:
Originally Posted by Piotrsko
Don't know about your specific community, but in many cities, they inject atmosphere into the natural gas stream in the winter to boost flow and pressure during the winter, typically below 10%. The utilities state this is quite safe and other than loss of range, the 3000 psi CNG bus I drove had no issues.
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Atmosphere? Like air? I've never heard of that in the industry but propane-air injection is fairly common. Though that is also being displaced by LNG.