Gasoline Prices Hit 7-Year High Even as Demand Falls for 4th Straight Week Posted byThe Epoch Times September 13, 2021 Leave a comment on Gasoline Prices Hit 7-Year High Even as Demand Falls for 4th Straight Week For the week of Sept. 6, the national average for a gallon of regular gasoline rose to a seven-year high of $3.176 from $3.139 the week prior.