The price of regular unleaded gasoline rose 3 cents, averaging $4.15 across Iowa according to AAA.
Crude Oil Summary

  • The price of global crude oil rose this week on the West Texas Intermediate (WTI) by $4.59 per barrel over last week, currently priced at $110.43.
  • Brent crude oil rose $2.08 and currently priced at $109.96.
  • One year ago, WTI crude sold for $65.49 and Brent crude was at $69.01.

Motor Fuels

  • As of Wednesday, May 18, the price of regular unleaded gasoline averaged $4.15 across Iowa according to AAA. 
    1. Prices rose 3 cents from last week’s price and $1.25 higher than one year ago. 
    2. The national average on Wednesday was $4.57, up 17 cents from last week’s price.
  • Retail diesel prices in Iowa were down 4 cents this week with a statewide average of $5.26. 
    1. One year ago, diesel prices averaged $3.06 in Iowa. 
    2. The current Iowa diesel price is 32 cents less than the national average of $5.58.
  • Wholesale ethanol held steady and is currently priced at $2.16.
  • The current Des Moines Terminal/Rack Prices are $3.36 for U87-E10, $3.82 for Unleaded 87 (clear), $3.90 for ULSD#2, $4.05 for ULSD#1, and $3.08 per gallon for E-70 prices.

Heating Fuels

  • Natural gas prices rose 72 cents at the Henry Hub reporting site and are currently priced at $8.26/MMbtu.
  • Continuing throughout the summer months, we will only report retail heating oil and propane prices in Iowa once a month.

Tips for saving energy on the road or at home are available at and