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Producer Prices Jump 6.3 Percent As Diesel Costs Drive Inflation Spike

The Labor Department reported that the producer price index rose 6.3% year-over-year in September, up from 5.6% in August and the highest since December 2022.[1]

Producer prices increased 1.3% from August to September, the largest monthly jump since March 2022.[1] Transportation and warehousing prices rose 3.4% in September and are 16% higher than a year ago, driven largely by higher diesel costs.[1] Core producer prices excluding food and energy rose 0.7% month-to-month and 5% year-over-year, while wholesale food prices climbed 1.2% month-to-month but remained flat year-over-year.[1]

AAA data show average diesel prices at $6.32 per gallon nationwide on Thursday, October 15, 2026, up from $3.66 a year ago. That surge has pushed fuel costs for trucking and shipping sharply higher, contributing to the jump in wholesale transportation and warehousing prices. A new AP-NORC poll finds about eight in ten registered voters disapprove of how President Trump is handling the cost of living, signaling political fallout from rising consumer prices.

  1. PBS
U.S. Inflation and Prices Federal Reserve and Monetary Policy Trump Economic Record
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📌 Key Facts

  • On Thursday, October 15, 2026, the Labor Department reported the producer price index rose 6.3% year-over-year in September, up from 5.6% in August and the highest since December 2022.
  • Producer prices increased 1.3% from August to September 2026, the largest monthly jump since March 2022.
  • Transportation and warehousing prices rose 3.4% in September and are 16% higher than a year ago, driven largely by higher diesel costs.
  • Wholesale food prices climbed 1.2% from August to September, though they remain flat compared with a year earlier.
  • Core producer prices, excluding food and energy, rose 0.7% month-over-month and 5% year-over-year in September 2026.
  • AAA data show average diesel prices at $6.32 per gallon nationwide on Thursday, October 15, 2026, up from $3.66 a year ago.
  • A new AP-NORC poll finds about eight in ten registered voters disapprove of how President Trump is handling the cost of living.

📰 Source Timeline (1)

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October 15, 2026
8:02 PM
Wholesale inflation hits levels not seen since 2022
PBS News by Christopher Rugaber, Associated Press