Mother Nature Network: In 1989, Amory Lovins noticed a typo in a report that turned Megawatt into Negawatt. It was so good that he ran with it, turning it into the unit of energy saved through conservation or efficiency. Now the Negawatt is back, as energy efficiency becomes all the rage again. In Europe, researchers are calling efficiency a new fuel that by 2030 will be more important than oil, writes the Climate News Network.
Efficiency has been relatively low profile because it isnt sexy like solar panels, which...