sometime in the ealy 1970's. around 1971 or 72 it went from 25c per gal. to 26c per gal.
In the US it was about .25 cents.
A gallon of gas was 10 cents in 1908. The Ford Model T actually went 25 miles on one gallon of gasoline.
The cost of a gallon of regular gas in 1990 was 1. 16. A first-class stamp was 25-cents and a gallon of milk cost $2. 78. A dozen eggs was one-dollar.
The US average in 1970 was 35 cents per gallon. That would be about $2.12 per gallon in today's dollars (2014).
Here in California it was .25 cents a gallon. I remember my friend had a VW and we would help her with gas by giving her our change from going to lunch at A and W.
25 cents per gallon
It was about 25 cents per gallon
That was just about when it jumped from 25 cents to 50 cents a gallon.
IF you meant 25 cents per litre - it would be cheaper to buy it at 85 cents per gallon. At 25c/litre it would cost approx $1.125 per gallon
In 1991, the US national average price of a gallon of regular gasoline was $1.23 - equivalent to about $1.97 per gallon in 2010.
I recall it as between 25 cents and 30 cents a gallon.
The cost to heat one gallon of water depends on the efficiency of the water heater, the cost of natural gas, and the temperature increase needed. On average, it can cost around 25-35 cents to heat one gallon of water using natural gas.