Crude oil price trends for the year 2014 can be found at the website for the U.S. Energy Information Administration. The U.S. Energy Information Administration offers price charts covering 2014, along with comparisons to related resources and trend estimates for future years.
The information available from the U.S. Energy Information Administration offers a written explanation for changes in crude oil prices for the year 2014. It supplies a price chart of West Texas Intermediate crude oil prices for the year 2014 showing the price of a barrel of crude oil decline over the course of the year. The site also provides comparison price charts for related petroleum products, such as U.S. gasoline and U.S. diesel fuel.
More information on weekly crude oil price trends for the entire year of 2014 can be found in the U.S. Energy Information Administration's "This Week in Petroleum" series, which provides weekly reports on crude oil and other petroleum-related products, with the 2014 archive of weekly trend analyses available under the "Past Weeks in Petroleum" link. The articles record trend information, such as the expected price decline beginning around Labor Day and continuing for the remainder of the year, and the result of lower crude oil prices on heating spending at the end of the year.