U.S. retail gasoline prices, after declining for two weeks in a row, increased a slight 0.2 cent over the last week to $2.29 a gallon, the government said on Monday.

The latest pump price is up 40 cents from a year ago, based on the Energy Information Administration's (search) weekly survey of service stations.

In the weekly EIA survey, the West Coast had the most expensive regular unleaded gasoline, with the price up 1.4 cents at $2.51 a gallon. San Francisco (search) was at the top of the agency's survey of cities, with the price of gasoline up half a penny at $2.58.

The Gulf Coast states, where many refineries are located, had the cheapest fuel, with the price down 2.5 cents at $2.18 per gallon. Among major cities, Houston (search) had the lowest pump price, with fuel down 3.3 cents at $2.16.

The EIA report also showed prices, rounded to the nearest penny, up 3.6 cents at $2.48 in Seattle, down 1.3 cents at $2.40 in New York City, up 0.1 cent at $2.37 in Boston, down 0.6 cent at $2.36 in Chicago, up 0.3 cent at $2.36 in Miami, and down 2.2 cents at $2.21 in Denver.

Separately, the average price for diesel fuel increased 0.6 cent $2.35 a gallon, up 57 cents from a year earlier, the EIA said.

Truckers on the West Coast paid the most for diesel at $2.59 a gallon, up 6.4 cents from last week. The Gulf Coast states had the cheapest diesel at $2.28 a gallon, up 0.1 cent.