San Diego City Wire

The average cost for a gallon of diesel gas in or near zip code 40250 for the week of January 20-26 is $3.78, according to GasBuddy.com. The lowest price is $3.69.

In greater San Diego, the average price is $3.58 and the lowest price is $3.13. Trends show the price as up.

The average price of unleaded gas in the state is $3.609 per gallon. The previous week, the state average was $3.616 per gallon. The average has decreased since last month, when it was $3.737 per gallon – a 12.8 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.