Add to Cart Mercury Marine / Quicksilver Mercury 3.2 Gallon Portable Fuel Gas Tank With Fuel Demand Valve 8M0045692 $197.33 $150.52 Fuel tanks meet U.S. 2011 EPA requirements for a pressurized portable fuel tank. They include a "Diurnal Cap" and Mercury's Fuel Demand Valve (FDV), so fuel is provided only as needed by the engine and not forced through under pressure. Fuel line gets... $197.33 $150.52 Add to Cart