Mineral lubricant adapted for NGV (natural gas vehicles) and LPG (liquefied petroleum gas) engines in city transportation (especially buses, deliveries and waste collecting vehicles).. PLEASE USE THE CODES BELOW FOR ORDERING PRODUCTS BY QUANTITY: 194223 RUBIA GAS 5M 15W40 5GAL TOT US 193623 RUBIA GAS 5M 15W40 55GAL TOT US