San Francisco Sun

The average cost for a gallon of diesel gas in or near zip code 14638 for the week of July 20-26 is $3.85, according to GasBuddy.com. The lowest price is $3.85.

In greater San Francisco, the average price is $3.31 and the lowest price is $2.74. Trends show the price as up.

The average price of unleaded gas in the state is $3.127 per gallon. The previous week, the state average was $3.106 per gallon. The average has increased since last month, when it was $2.976 per gallon – a 15.1 cent difference.Last year, the average price for a gallon of gas was $3.91.

Data is accurate as of press time, but gas prices have been known to fluctuate on a daily, and even hourly, basis.