The U.S. average diesel fuel price fell nearly 1 cent, remaining virtually unchanged at $2.39 per gallon on May 18, 78 cents lower than a year ago. The West Coast and Midwest prices each fell more than 1 cent to $2.89 per gallon and $2.23 per gallon, respectively, the East Coast and Rocky Mountain prices each fell nearly 1 cent to $2.49 per gallon and $2.34 per gallon, respectively, and the Gulf Coast price fell less than 1 cent, remaining virtually unchanged at $2.18 per gallon.
The U.S. average regular gasoline retail price rose nearly 3 cents per gallon from the previous week to $1.88 per gallon on May 18, $0.97 lower than the same time last year. The Rocky Mountain price rose nearly 6 cents to $1.82 per gallon, the Gulf Coast price rose 4 cents to $1.54 per gallon, the Midwest price rose more than 3 cents to $1.78 per gallon, the West Coast price rose nearly 3 cents to $2.48 per gallon, and the East Coast price rose more nearly 2 cents to $1.83 per gallon.
U.S. propane/propylene stocks increased by 1.1 million barrels last week to 62.7 million barrels as of May 15, 2020, 7.7 million barrels (14.0%) greater than the five-year (2015-19) average inventory levels for this same time of year. Midwest, East Coast, and Rocky Mountain/West Coast inventories increased by 0.7 million barrels, 0.5 million barrels, and 0.1 million barrels, respectively. Gulf Coast inventories decreased by 0.3 million barrels.