Environmental Effects
Commercially available LPG is currently derived from fossil fuels. Burning LPG releases CO2, an important greenhouse gas, contributing to global warming. LPG does, however, release less CO2 per unit of energy than that of coal or oil. It emits 81% of the CO2 per kWh produced by oil, 70% of that of coal, and less than 50% of that emitted by coal-generated electricity distributed via the grid. Being a mix of propane and butane, LPG emits less carbon per joule than butane but more carbon per joule than propane.
LPG can be considered to burn more cleanly than heavier molecule hydrocarbons, in that it releases very few particulates.
Read more about this topic: Liquefied Petroleum Gas
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