About 90% of what is recovered is methane, or natural gas. The other 10% is made up of propane, butane and ethane -- or LPG. In order to transport the produced gas, the LPG must be separated from ...

which include components like butane, methane, and ethane, as well as some other hydrocarbons. While all of that may have been a mouthful, understanding what propane is used for is a far more ...