cost per cu/ft of CO2

[Ron]

Each pound of fuel (propane, natural gas) burned produces approximately three pounds of CO2. one-third of a pound (5.3 ounces), produces about one pound of CO2. At 68 degrees (20 C), one pound of CO2 displaces 8.7 cubic feet.

Bottle CO2 cost 16 dollars for 20 pounds.