Question 1

How much did gas cost in September 1978?

Accepted Answer

Gas cost $0.69 per gallon in September 1978, based on Gasoline, unleaded regular, per gallon/3.785 liters from U.S. Bureau of Labor Statistics Average Price Data.

Question 2

What is $0.69 in September 1978 worth in 2026?

Accepted Answer

$0.69 in 1978 has about the same purchasing power as $3.51 in 2026, using CPI-U.

How much did gas cost in September 1978?

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