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1 gallon of gas is equal to approximately 3.785411784 liters.
In 1995, the US national average price of a gallon of regular gasoline was $1.15. That is equal to about $1.65 per gallon in 2010 dollars.
In 2007, the US national average price of a gallon of regular gasoline was $2.80. That is equal to about $2.94 per gallon in 2010 dollars.
In January 2002, the US national average price of a gallon of regular gasoline was $1.139 - equal to about $1.38 per gallon in 2010 dollars.
In 1994, the US national average price of a gallon of regular gasoline was $1.11 - equivalent to about $1.63 per gallon in 2010.
In 2000, the US national average price of a gallon of regular gasoline was $1.51 - equal to about $1.91 per gallon in 2010 dollars.
In January 1996, the US national average price of a gallon of regular gasoline was $1.129. That is equal to about $1.57 per gallon in 2010 dollars.
In 1970, the US national average price of a gallon of regular gasoline was 36 cents. That is equal to about $2.02 per gallon in 2010 dollars.
In 1972, the US national average price of a gallon of regular gasoline was 36 cents. That is equal to about $1.88 per gallon in 2010 dollars.
In 1981, the US national average price of a gallon of regular unleaded gasoline was $1.38, which was a lot for gasoline in 1981. That is equal to about $3.31 per gallon in 2010 dollars.
In 1978, the US national average price of a gallon of regular unleaded gasoline was 67 cents. That is equal to about $2.24 per gallon in 2010 dollars. Also, you could still buy leaded gasoline in 1978, which was 63 cents per gallon.
It takes about 22 citizens of Haiti to equal the ecological footprint of the average citizen of the US. Haiti has a much lower ecological footprint due to factors such as lower levels of consumption and carbon emissions.