The average U.S. price is $ 3.91 per gallon . In the UK, a litre of petrol costs about £ 2.20 ( or around $ 1.60 ) and in Germany The all-time record is $ 4.11 in July 2008 .
The average U.S. price is $ 3.91 per gallon . That 's a drop of just over 9 cents from May 6 . The all-time record is $ 4.11 in July 2008 .