Gas and diesel prices in California are soaring Tuesday, climbing past already elevated levels and putting increasing pressure on commuters as fuel shortages drive costs higher. As of March 31, diesel reached a statewide average of $7.45 — the highest ever recorded — while regular gasoline is nearing $6 at $5.88, according to the American Automobile Association. In Los Angeles County, that average passed the $6 mark Tuesday, exceeding both the state and national averages , with the U.S. average