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BLS average price

How much did diesel fuel cost in September 1998?

Diesel fuel averaged $1.14 per gallon in September 1998.

$1.14

per gallon in September 1998

Adjusted with CPI-U, that is about $2.33 in 2026 dollars.

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Source: U.S. Bureau of Labor Statistics Average Price Data, APU000074717. Imported from BLS bulk time-series files (raw published monthly values).

Related historical prices

Diesel fuel prices in 1998
Historical diesel prices
Diesel fuel prices in August 1998
Diesel fuel prices in October 1998
Gas inflation calculator

Data: U.S. Bureau of Labor Statistics — CPI-U. Series CUUR0000SA0, base period 1982–84 = 100. Coverage: 1913–2026. April CPI is used for 2026 until the annual average is published.

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