The price of regular gasoline has maintained its upward trend across the United States and has risen by over half a dollar during the past three months, said a report by the U.S. Energy Information Administration (EIA) on Monday.

Gasoline price across the United States was 2.237 dollars per gallon in the first week of 2019.

For the week ending on Monday, the U.S. average regular gasoline retail price increased over 5 cents from last week to 2.75 U.S. dollars per gallon.

For West Coast area, which includes the states of California, Oregon, Washington, Nevada, Arizona, Alaska and Hawaii, gasoline price surged over 15 cents to nearly 3.42 dollars per gallon, according to the EIA.

For Rocky Mountain area, which includes the states of Montana, Wyoming, Colorado, Utah and Idaho, gasoline price edged up 7 cents to nearly 2.54 dollars per gallon.

For Midwest area, which stands for the states of North Dakota, South Dakota, Nebraska, Kansas, Oklahoma, Minnesota, Iowa, Missouri, Wisconsin, Illinois, Michigan, Ohio, Kentucky, Indiana and Tennessee, gasoline price remained almost unchanged, edging up more than 4 cents to 2.67 dollars per gallon.

For the Gulf Coast area, which includes the states of Texas, Louisiana, Alabama, Mississippi, Arkansas and New Mexico, the gasoline price remained steady near 2.45 dollars per gallon.

For the East Coast area, which includes all other states close to the Atlantic Ocean, the price increased nearly 4 cents to 2.65 dollars per gallon.