Oil has trended higher since early May, but Brent is still down about 7% this year as Trump ratchets up his trade war and OPEC+ relaxes supply curbs. Prices have been jolted by developments in the ...

Retail diesel prices in Iowa saw a slight increase, rising by one cent to $3.53 per gallon. A year ago, diesel was priced at $3.55 across the state. Iowa’s current diesel average is 20 cents lower ...