Eco-Living Magazine

Five Friday Facts

Posted on the 26 March 2011 by 2ndgreenrevolution @2ndgreenrev

Five Friday Facts

  • In 2005, 64% of the 109 million U.S. families lived in single-family homes.
  • From 1950 to 2005, the average size of a new U.S. single-family house increased by 148%; Avg house size in 1950 (983 sq ft), in 2005 (2,434 sq ft); during the same time the average area per person in a new U.S. single family house increased from 292 square feet to 840 square feet, or 188%.
  • In 2006, American cars and light trucks used 17.3% of the total U.S. energy consumption.
  • In 1987-1988, light-duty vehicle fuel economy peaked at 22.1 mpg.
  • During 1987-2007, average vehicle weight increased 29%, horsepower increased by 89%, acceleration increased by 27%

Source: http://css.snre.umich.edu/facts/

[Image source: Metropolitan Museum of Art]


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