Four-Dollar Gas Looms for North Bay Drivers

The average price of a gallon of self-serve regular gasoline in Sonoma County County is inching closer to $4, a price much of the rest of California is already paying.

The average price of regular gasoline in California jumped 22.8-cents in the past week to a statewide average of $3.904, according to the state Energy Almanac.

The Wall Street Journal reported the average price at the pump in the San Francisco area was $3.93 earlier this week, up 21 cents from late January. The price of a gallon of gas has already topped $4 in Southern California, averaging $4.03 on Tuesday, according to the AAA Fuel Gauge Report.

The spike in gas prices was traced back to the usual suspects: refinery problems, high crude prices and the costs of converting production lines to California's summer gas blend, the Mercury News reported.

In Rohnert Park, the cheapest gas is at Costco ($3.81 on Friday morning). Most gas stations were still pricing fuel around $3.85 Friday morning, which is slightly below the state average, according to Gasbuddy.com.

Below are some of the best gas prices available in Rohnert Park according to Gasbuddy.com.

• Costco, 5901 Redwood Dr. Regular: $3.81 Premium: $3.99
• 7-Eleven, 1784 E. Cotati Ave. Regular: $3.83 Premium: n/a
• Shell, 5085 Redwood Dr. Regular: $3.83 Premium: $4.03
• 76, 605 Rohnert Park Expressway. Regular: $3.85 Premium: $4.03