U.S. diesel prices have climbed to $5.6879 per gallon, according to AAA data cited by OilPrice.com, nearing levels last seen during the April conflict. The average rose from $5.6002 just days earlier, adding to costs for freight, agriculture, construction and other diesel-intensive industries. The latest increase follows an earlier reported $5.599 reading on Aug. 31, while the all-time U.S. diesel record remains $5.816, set in June 2022. Rising diesel prices could point to stronger crude demand and feed into transportation and consumer-goods inflation, although prediction-market pricing for crude oil reaching a new record by Dec. 31 has fallen to 11.5% from 14% over the past 24 hours. OPEC decisions and geopolitical developments remain key variables.