BusinessGreen: Avoiding the so-called "fiscal cliff" could provide a major boost to the US biofuels, energy efficiency, and electric car sectors, as well as the fast-expanding wind energy industry. While the decision to extend the crucial Production Tax Credit (PTC) for wind farm developers was widely praised by renewable energy and environmental groups, the bill that averted potentially crippling tax hikes and spending cuts also extended incentives and subsidy schemes for a wide range of clean technologies. ...