I HAVE BEEN BAFFLED FOR THE PAST SEVERAL YEARS WHILE FILLING UP MY CAR. I PURCHASED MY 1996 CUTLASS OLDSMOBILE LS IN 1997. AT THAT TIME, I COULD FILL MY CAR UP FOR $15.OO FROM AS EMPTY AS THE TANK COULD BE WITHOUT RUNNING OUT. I HAVE KNOWN THAT THE TANK COULD HOLD AT THE MOST 16 GALLONS. NOW TODAY WHEN I FILL UP, ITS IN THE NEIGHBORHOOD OF $61.00, PLUS THE GALLONS SOLD WILL TELL ME 17-18 GALLONS. I WOULD LOVE TO KNOW HOW IT IS THAT MY GAS TANK HAS TAKEN ON A NEW SIZE. MOST CONSUMERS TODAY DO NOT KEEP THE SAME CAR FOR OVER 15 YEARS AS I HAVE DONE.