Indiana Diesel Prices Rose to Record High

Statewide diesel costs reached a record $6.9165 per gallon following oil market volatility.

Updated on Sept. 23, 2026 in Inflation

Bold flat-color illustration featuring a simplified geometric fuel storage tank on an expansive horizon, evoking economic fuel price records. — Indiana diesel prices reached a record $6.9165 per gallon on September 23, driven by global oil volatility and supply disruptions. AI Illustration. Upload story photo >

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Is the recent rise in fuel costs making it harder for you to manage household expenses?

Indiana diesel prices climbed to a record high of $6.9165 per gallon on September 23, surpassing the previous peak of $6.036 seen in June 2022. The surge follows significant oil market volatility resulting from the ongoing war in Iran and the closure of the Strait of Hormuz.

Why it matters

Higher diesel costs increase transportation expenses, which can lead to rising grocery prices for consumers. The market volatility has pressured fuel prices nationwide even as Indiana maintains a gas tax suspension.

Statewide diesel prices hit $6.9165 per gallon, with Indianapolis reaching $6.930. Regular fuel averaged $3.98 statewide, with Pulaski County seeing a high of $4.299 per gallon.

The details

Increased transportation costs stem directly from global oil disruptions that have affected fuel supplies. While Indiana has implemented a gas tax suspension to provide relief, the state is still contending with historically high diesel averages.

March 2, 2026: Regular fuel was $2.798 per gallon.
June 2022: Previous diesel record high of $6.036 was established.
September 22, 2026: Indianapolis diesel reached a record $6.930 per gallon.
September 23, 2026: Indiana diesel reached a new state record high.
October 6, 2026: The current Indiana gas tax suspension expires.

Macro View

The Indiana gas tax suspension remains in effect through October 6, providing a buffer against recent fuel price spikes. This measure reflects past legislative responses to localized inflationary pressures on energy costs.

Consumers may face increased grocery bills as rising transportation costs are passed down from distributors. Residents should monitor fuel costs closely as the state's gas tax suspension is set to expire in early October.

The takeaway

Rising diesel costs serve as a reminder of how quickly global geopolitical events can inflate local daily expenses. Drivers may want to budget for higher costs at the pump as current relief measures approach their expiration date.