by David Sassoon -
Jul 6th, 2008 
The World's Biggest Appetite
The US is home to 4% of the world's population.
The US uses 1/4 of the world's oil.
The World's Thirstiest Cars
The average fuel economy of a car sold in the US in 1974 was 13.8 miles per gallon.
In 1989 it was 27.5 miles per gallon.
In 2008 it is 24.5 miles per gallon.
In 2020 it will be 35 miles per gallon.
In Europe today, it is 44 miles per gallon.
In 2012 it will be 48 miles per gallon.
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