By Joseph Zimmerl: Anyone who drives in California knows that gas here is expensive. If you have ever driven to Oregon, Nevada or Arizona you may have also noticed that gas there is much cheaper. In fact, the price of gas in California is 60¢ higher than the national average of $2.40. As of April 17, 2017, Californians pay on average $3.00 per gallon. The only other state where gas is more expensive is Hawaii, where the average per gallon price is $3.06.