Average gas--prices Oct. 8, 2012

Gas prices are mixed across the country with a huge jump in the west coast and California compared to the week before. The national gasoline average is 46 cents above the price this time last year and about 5 cents above last week's price. Premium gasoline is now averaging $4.13. Diesel fuel is about 37 cents above this time last year.

See our guide to fuel economy for advice on saving gasoline, including reports on how to get the best gas mileage and where to find the cheapest gas. Learn about future technologies in our guide to alternative fuels.

Source: Energy Information Administration, 10/8/12. Figures rounded to the nearest cent.