cost-of-living

Diesel at $6.31: AAA All-Time Record Hits the Household Bill

Published September 20, 20267 min read

Line chart of NYMEX ULSD diesel futures, last 90 days (USD/gal) on a dark background — Diesel hit an all-time AAA record this month — and its climb is reaching households through freight costs and heating oil, not just the pump. Illustration: MarketIntelLabs

Executive Summary US pump prices ARE moving, but the transmission is running through diesel, not regular gasoline. EIA's weekly on-highway diesel price hit $6.285/gal for the week of September 14, 2026, up 63.3 cents (+11.2%) from $5.652 the week of August 24, 2026, before the latest escalation in the Ukrainian campaign against Russian oil infrastructure [1] . AAA's daily national diesel average set an all-time series high of $6.3103/gal on September 16, 2026, surpassing the June 19, 2022 record of $5.8159 [2] . Regular gasoline is up but more modestly: $4.319/gal the week of September 14 versus $4.085 the week of August 24 (+5.7%) [1] . The honest finding for the household sidebar: the gaso…

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