LPG stands for Liquefied petroleum gas. LPG includes mixes that are primarily propane (C3H8), primarily butane (C4H10) and, most commonly, mixes of both propane and butane.  When you compress Propane it condenses into a liquid which makes it much easier to store in a tank than natural gas, which does not easily compress. LPG as … Continue reading 7 different LP Gas regulators that every plumber should be aware of