The U.S. average diesel fuel price increased nearly 1 cent from last week to $3.26 per gallon on September 10, 2018, 46 cents higher than a year ago. East Coast prices rose more than one cent to $3.25 per gallon, West Coast and Rocky Mountain prices increased less than a cent to $3.75 per gallon and $3.37 per gallon, respectively, and Midwest and Gulf Coast prices increased less than a cent, remaining virtually unchanged at $3.19 per gallon and $3.04 per gallon, respectively.
The U.S. average regular gasoline retail price increased nearly 1 cent from last week to $2.83 per gallon on September 10, 2018, up 15 cents from the same time last year. Gulf Coast prices increased over two cents to $2.57 per gallon, East Coast prices rose over one cent to $2.79 per gallon, West Coast and Midwest prices each increased nearly one cent to $3.34 per gallon and $2.74 per gallon, respectively, and Rocky Mountain prices increased less than one cent, remaining virtually unchanged at $3.01 per gallon.
U.S. propane/propylene stocks increased by 1.2 million barrels last week to 74.6 million barrels as of September 7, 2018, 9.0 million barrels (10.8%) lower than the five-year (2013-2017) average inventory level for this same time of year. Gulf Coast, Rocky Mountain/West Coast, Midwest, and East Coast inventories increased by 0.7 million barrels, 0.3 million barrels, 0.2 million barrels, and 0.1 million barrels, respectively. Propylene non-fuel-use inventories represented 3.8% of total propane/propylene inventories.