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BLS average price

How much did diesel fuel cost in December 1999?

Diesel fuel averaged $1.36 per gallon in December 1999.

$1.36

per gallon in December 1999

Adjusted with CPI-U, that is about $2.71 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 1999
Historical diesel prices
Diesel fuel prices in November 1999
Diesel fuel prices in January 2000
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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