Last year Mr Gore's venture capital firm loaned a small California firm $75m to develop energy-saving technology. The company, Silver Spring Networks, produces hardware and software to make the electricity grid more efficient. The deal appeared to pay off in a big way last week, when the Energy Department announced $3.4 billion in smart grid grants, the New York Times reports. Of the total, more than $560 million went to utilities with which Silver Spring has contracts. (snip) Mr Gore had said that he is simply putting his money where his mouth is. "Do you think there is something wrong...