Thanks to the demise of the cathode ray tube, and with assistance from a shift from personal computers to tablets, Americans are using less energy to run their home entertainment and information technology devices, according to a new study commissioned by the folks who make the stuff. But critics said that progress so far has been more in spite of the industry than because of it, and that more progress needs to be made.

Research carried out for the Consumer Electronics Association (CEA) by the Fraunhofer USA Center for Sustainable Energy Systems shows the electricity consumption of home consumer electronics (CE) fell from 193 terawatt hours in 2010 to 169 terawatt hours in 2013. That translated to a decline from 13.2 percent