Air conditioners built without a rare earth magnet motor are significantly less efficient. In the United States, which expends 5 percent of all the energy it produces on air conditioning, less efficient machines can mean significantly more energy consumption and carbon dioxide emissions
Air conditioners built without a rare earth magnet motor are significantly less efficient. In the United States, which expends 5 percent of all the energy it produces on air conditioning, less efficient machines can mean significantly more energy consumption and carbon dioxide emissions Jaime Green The Wichita Eagle
Air conditioners built without a rare earth magnet motor are significantly less efficient. In the United States, which expends 5 percent of all the energy it produces on air conditioning, less efficient machines can mean significantly more energy consumption and carbon dioxide emissions Jaime Green The Wichita Eagle

Rare metals at heart of green technology mean trading one resource dependency for another

November 21, 2015 01:00 PM

UPDATED November 21, 2015 09:04 PM

More Videos

  • Trump Team Has Frequently Claimed 'No Contact' With Russia'

    Trump advisers have often insisted that the campaign had no contact with various Russian insiders — claims which were later proved false.