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President signs massive government stimulus package, saying it's a start to a cleaner energy infrastructure. But analysts still see real hurdles to transforming the energy business.
Energy policy is poised to change, with renewable energy, efficiency, and biofuels to benefit. But a down economy means climate change regulations are likely to wait.
Never mind the environment. We're losing money, say renewable-energy businesspeople who are trying to prevent a tax credit from lapsing.
People are wondering why Google's getting into renewable energy. The answer is simple: it believes in innovation.
Although long-term prospects for ethanol are positive, experts warn that corn-based ethanol investments could hit snags.