Use only liquid withdrawal 33 lb. capacity aluminum propane tanks.
Do not use steel or fiberglass tanks.
Propane weighs 4.22 pounds per gallon at 60 degrees Fahrenheit.
33 ½ lb tank contains 7.9 gallons propane
Propane expands 1.5% per 10 degrees Fahrenheit.
One gallon of propane contains 74% of the energy contained in one gallon of gasoline. It takes 1.35 gallons of propane to equal the energy content of one gallon of gasoline.
PERC (Propane Education & Research Council) reports that CO2 emission reductions range typically in the 20% – 25% range
Gasoline … Total of 25.24 pounds of CO2 per gallon (including upstream emissions)
Propane … Total of 15.23 pounds of CO2 per gallon (including upstream emissions)
Upstream Emissions (CO2 emissions generated during the process of extraction, production and transporting to the point of use)
Gasoline requires 5.68 pounds of CO2 per gallon
Propane requires 2.42 pounds of CO2 per gallon
On-site (at the point of use) CO2 emissions
Gasoline produces 19.56 pounds of CO2 per gallon
Propane produces 12.81 pounds of CO2 per gallon