The U.S. average diesel fuel price decreased less than one cent from last week to $3.22 per gallon on August 6, 2018, 64 cents higher than year ago. Midwest prices fell nearly one cent to $3.15 per gallon, and West Coast, East Coast, and Gulf Coast prices each decreased less than a penny, remaining virtually unchanged at $3.72 per gallon, $3.22 per gallon, and $3.00 per gallon, respectively. Rocky Mountain prices were unchanged at $3.36 per gallon.
The U.S. average regular gasoline retail price increased less than one cent from last week to remain at $2.85 per gallon on August 6, 2018, up 47 cents from the same time last year. Rocky Mountain and East Coast prices each rose over a penny to $2.92 per gallon and $2.80 per gallon, respectively, and Midwest prices increased less than one cent to $2.77 per gallon. West Coast and Gulf Coast prices each decreased less than one cent to $3.34 per gallon and $2.59 per gallon, respectively.
U.S. propane/propylene stocks increased by 0.1 million barrels last week to 66.4 million barrels as of August 3, 2018, 9.3 million barrels (12.2%) lower than the five-year (2013-2017) average inventory level for this same time of year. Gulf Coast inventories increased by 0.3 million barrels and Rocky Mountain/West Coast inventories rose slightly, remaining virtually unchanged. Midwest and East Coast inventories decreased by 0.2 million barrels and 0.1 million barrels, respectively. Propylene non-fuel-use inventories represented 4.3% of total propane/propylene inventories.