CAMARILLO, Calif. (AP) — A survey says the national average price for regular gasoline rose nearly 16 cents in the last two weeks.

The average price of self-serve regular gasoline on Friday was $3.47 a gallon, mid-grade was at $3.59 and premium was $3.70. That's all according to the Lundberg Survey of 7,000 stations nationwide released Sunday.

Regular is up 60 cents from a year ago.

The national average price for a gallon of diesel is $4.21. That's $1.24 more than a year ago.

Of the cities surveyed, the cheapest price is in Newark, N.J., where a gallon of regular cost $3.21, on average. The highest was in San Francisco at $3.88.