The U.S. will spend $3.9 billion on upgrading the nation's electricity grid to a "smart grid," Energy Secretary Steven Chu said Thursday. The smart grid will allow for more efficient distribution of electricity but will require construction of more high-voltage power lines. "Right now, the way we distribute energy, it's like plumbing, it's down the hill," said Chu at a news conference in San Francisco.

Full Story:

Related Summaries