Past issues

Every Market Brief, newest first.

Market BriefFriday, October 23, 2026Toyota fuels a hydrogen truck in 8 minutes as a truck group seeks cost parity with diesel
Diesel
$8.24/gal
52 weeks
Diesel price history: 52 weeks. Low $4.61, high $8.25.
Archive editionFriday, October 16, 2026The largest moves against the prior reading were SP15 (Southern California) down 46.1% (week of Oct 12 against week of Oct 5) and Washington Cap and Invest allowance down 38.8% (Sep 2 auction against Jun 3 auction).
Diesel
$8.09/gal
52 weeks
Diesel price history: 52 weeks. Low $4.61, high $8.25.
Archive editionFriday, October 9, 2026The largest moves against the prior reading were SP15 (Southern California) up 66.0% (week of Oct 5 against week of Sep 28) and Washington Cap and Invest allowance down 38.8% (Sep 2 auction against Jun 3 auction).
Diesel
$8.08/gal
52 weeks
Diesel price history: 52 weeks. Low $4.61, high $8.25.
Archive editionFriday, October 2, 2026The largest moves against the prior reading were Mid-C (Pacific Northwest) up 18.5% (week of Sep 28 against week of Sep 21) and NP15 (Northern California) up 18.4% (week of Sep 28 against week of Sep 21).
Diesel
$8.18/gal
52 weeks
Diesel price history: 52 weeks. Low $4.61, high $8.25.
Archive editionFriday, September 25, 2026The largest moves against the prior reading were Mid-C (Pacific Northwest) down 16.4% (week of Sep 21 against week of Sep 14) and Washington CFS credit up 14.1% (August against July).
Diesel
$8.25/gal
52 weeks
Diesel price history: 52 weeks. Low $4.61, high $8.25.
Archive editionFriday, September 18, 2026The largest moves against the prior reading were SP15 (Southern California) down 50.7% (week of Sep 14 against week of Sep 7) and NP15 (Northern California) down 32.2% (week of Sep 14 against week of Sep 7).
Diesel
$8.04/gal
52 weeks
Diesel price history: 52 weeks. Low $4.61, high $8.04.