Gas prices in San Diego County jumped more than four cents a gallon overnight.
It marks a painful trend for local commuters. Triple-A reports that drivers have paid more for a gallon of gas twenty-nine of the last thirty days.
The average price for a gallon of regular unleaded is now $6.16 cents. Diesel prices are hovering around $8.34 cents. That steep price is a growing concern because of its direct influence on trucking and retail prices…