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View Full Version : Coal is cheapest way to power a light bulb


NewsWhore
04-23-2012, 03:01 AM
RESEARCH CONDUCTED by a University of the West Indies energy think tank indicates that coal is the most efficient energy source in powering a light ...

More... (http://story.jamaicantimes.com/index.php/ct/9/cid/8fdef8065235cb7f/id/205157051/)