略語大辞典 [Car] 48 NMOG nonmethane organic gas (自動車の排気ガス中に含まれる)非メタン有機ガス. 未酸化および酸化炭化水素の合計量.nonmethane organic gas; in vehicle exhaust emission; sum of nonoxygenatedand oxygenated HC(hydrocarbon)s; ref. RAF(reactivity adjustment factor); allowed NMOG emissions = standard/RAF; e.g. by the (US) EPA(En 丸善「略語大辞典」JLogosID : 11863040