Investors should prepare for a “green friendly” government says David Fessler. One of Obama’s first steps will be to make American homes and offices more energy efficient. And that means big gains for three companies directly involved in producing energy saving devices…

When oil hit $147 a barrel this summer, hedge funds were feeling the heat as big media and big government pointed to the speculators as the real culprit in the price run-ups. The only people who weren’t complaining about oil hedge-fund traders, it seemed, were investors who held shares in clean-energy companies. But times have changed…