The U.S. average diesel fuel price increased less than 1 cent to remain at $3.16 per gallon on May 20, more than 11 cents lower than a year ago. The Rocky Mountain price increased 1 cent to $3.19 per gallon, and the West Coast, Midwest, and Gulf Coast prices each increased less than 1 cent to remain at $3.79 per gallon, $3.05 per gallon, and $2.91 per gallon, respectively. The East Coast price was unchanged at $3.18 per gallon.
The U.S. average regular gasoline retail price decreased over 1 cent from the previous week to $2.85 per gallon on May 20, 7 cents lower than the same time last year. The East Coast price decreased by 3 cents to $2.72 per gallon, the West Coast price decreased by 2 cents to $3.67 per gallon, and the Gulf Coast price decreased slightly, remaining at $2.52 per gallon. The Rocky Mountain price rose almost 2 cents to $2.98 per gallon, and the Midwest price rose slightly, remaining at $2.74 per gallon.
U.S. propane/propylene stocks increased by 3.1 million barrels last week to 65.8 million barrels as of May 17, 2019, 11.8 million barrels (21.9%) greater than the five-year (2014-18) average inventory levels for this same time of year. Gulf Coast and Midwest inventories increased by 2.0 million barrels and 1.2 million barrels, respectively. East Coast inventories decreased by 0.1 million barrels, and Rocky Mountain/West Coast inventories decreased slightly, remaining virtually unchanged. Propylene non-fuel-use inventories represented 8.4% of total propane/propylene inventories.