FUELING THE VEHICLE ALWAYS RESULTS IN FUEL SPRAY FROM THE VENT ON THE FILLER NECK. THIS SPRAY HAPPENS 100% OF FUELINGS. THE TANK IS OFTEN LESS THAN 90% FULL AFTER THIS AND REQUIRES TOPPING AND ADDITIONAL FUEL SPRAY. I HAVE HAD TO REPORT TO NAVY MEDICAL TO HAVE MY EYES FLUSHED AND CHECKED AFTER BEING SHOT DIRECTLY IN THE EYES WHILE LISTENING FOR THE DISTINCT SOUND OF FUEL BUBBLES RISING TO THE TOP OF THE FUEL FILLER NECK. THIS CAUSES ON AVERAGE 1/8 GALLON OF FUEL TO BE SPILLED PER FILL UP. OVER 40K MILES AT AN AVERAGE OF 14MPG THAT IS 22 GALLONS OF FUEL SPILLED AND MORE EVAPORATED. IF FILLING STATIONS REQUIRE SHUT OFF VALVES, AND ALL NEW VEHICLES REQUIRE EVAPORATIVE EMISSIONS SYSTEMS TO CONTROL ENVIRONMENTAL AIR QUALITY, TO THE GREAT DETRIMENT OF GAS MILEAGE, WHY HAS THIS ISSUE NOT BEEN INVESTIGATED BY THE FEDERAL GOVERNMENT? WHY DO WE HAVE TO USE SHODDY GAS CANS WITH CARB COMPLIANT NOZZLES WHICH CAUSE MORE FUEL SPILLS THAN NORMAL FUEL CONTAINERS IF THE GOVERNMENT IS PREPARED TO IGNORE THIS? I'VE BEGUN USING SURPLUS NATO JERRY CANS TO FILL MY TRUCK AND AVOID BEING SOAKED IN DANGEROUSLY FLAMMABLE AND CANCER CAUSING FUEL. *TR