Question: what is difference between domestic lpg and auto lpg?
Answer: Auto LPG on the other hand is the purest form of LPG and does not have any corrosive characteristics. ... Domestic LPG due to its composition may have a pressure of between 3-10 bars, whereas Auto LPG has a higher propane content and lesser heavier hydrocarbons, thus it has a pressure of between 7-10 bars.