WASHINGTON, D.C. --- The U.S. average diesel price plunged 17.7 cents to $3.482 per gallon, the lowest price since Feb. 18 of this year, the Energy Information Administration (EIA) said in its weekly report issued Oct. 22.

Diesel prices dropped steeply in all regions of the country. On the East Coast, the average slumped 15.6 cents to $3.553 per gallon. Tumbling 19.4 cents, the price in the Midwest fell the most of any region, to $3.447 per gallon.

The average diesel price in the Gulf Coast sank 17.8 cents to $3.453 per gallon. The price in the Rocky Mountains dropped 14.2 cents to $3.555 per gallon, EIA said. The price on the West Coast remained the lowest average price of any region, plunging 18.9 cents to $3.433 per gallon. In California, the average diesel price shrank by 19.6 cents to $3.46 per gallon.