The U.S. average diesel fuel price increased less than 1 cent from last week, remaining virtually unchanged at $3.27 per gallon on September 24, 2018, 48 cents higher than a year ago. Midwest prices rose one cent to $3.22 per gallon, West Coast and East Coast prices each rose less than a cent, remaining virtually unchanged at $3.76 per gallon and $3.25 per gallon, respectively. Rocky Mountain prices fell nearly one cent, remaining virtually unchanged at $3.56 per gallon, and Gulf Coast prices decreased less than a cent to $3.05 per gallon.
The U.S. average regular gasoline retail price increased less than 1 cent from last week, remaining virtually unchanged at $2.84 per gallon on September 24, 2018, up 26 cents from the same time last year. Midwest prices increased nearly three cents to $2.79 per gallon and West Coast prices rose nearly a cent to $3.35 per gallon. East Coast prices fell nearly two cents to $2.77 per gallon and Gulf Coast prices decreased less than a cent, remaining virtually unchanged at $2.56 per gallon. Rocky Mountain prices were unchanged, remaining at $3.01 per gallon.
U.S. propane/propylene stocks increased by 1.6 million barrels last week to 76.4 million barrels as of September 21, 2018, 8.0 million barrels (9.5%) lower than the five-year (2013-2017) average inventory level for this same time of year. East Coast inventories increased by 0.7 million barrels, Midwest inventories increased by 0.4 million barrels, and Gulf Coast and Rocky Mountain/West Coast inventories each increased by 0.3 million barrels. Propylene non-fuel-use inventories represented 2.4% of total propane/propylene inventories.