Big payoff in smart energy, says BT

Phone and broadband giant BT, one of the U.K.'s largest energy guzzlers, says it expects to cut its annual energy costs by $20.6 million after switching to smart meters and energy management systems at its U.K. facilities.<img src="http://feeds.feedburner.com/~r/cnet/tcoc/~4/ViI5Hlb8rMk" height="1" width="1"/> [More]