The price per gallon on the pump read $7.50, and he had put over $200 into the car.
Levels of 27.5 miles per gallon and higher meet these criteria.
The current standard, 27.5 miles per gallon, on average, has not been raised in more than two decades.
The company projects economy at 29 miles per gallon, highway, and 20, city.
The agency now expects 20.8 miles per gallon for the 2004 model year.
The general rule for using these products is one tablespoon per gallon of water every two weeks or so.
"If I have to pay 40 cents more per gallon, that will be about $7,000 a year less for me."
The prices for these products range from $10 to $90 per gallon, and so could save the global market $1.13 billion.
Oil prices per gallon that day ranged from $1.299 to more than $1.92.
The price of gasoline rose more than 40 percent, to about $1 per gallon.