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efficiency

January 12, 2011
Letter: The future of electric cars
January 12, 2011 - 12:00am
January 11, 2011
Bill Pauling checks the thermostat at Bill's Supermarket in Montevideo. A heat exchange unit that captures waste heat from the store's refrigeration system is proving its worth by reducing the need to run a natural gas furnace. So much so, a utility company's meter reader came to see why usage was so low. Tribune photoby Tom Cherveny
Energy conservation is good business
January 11, 2011 - 12:00am
April 1, 2010
Administration releases new fuel efficiency rules
April 1, 2010 - 11:50am
January 12, 2010
U.S. grants $187M for fuel efficiency research
January 12, 2010 - 7:45am
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