石せき油ゆガス税ぜいせきゆガスぜいMeanings1nounliquefied petroleum gas tax; natural gas taxA Japanese tax on petroleum gas (LPG) and natural gas used as automobile fuel. This is a specific legal and tax term.石せき油ゆガス税ぜいは、自じ動どう車しゃ用ようのLPガスや天てん然ねんガスに