2011年1月29日，美国总统奥巴马发表其每周演讲，宣称将推进创新事业，提供大量的免税优惠给开发如风能和太阳能等清洁能源的公司。
President Obama recorded his message earlier this week on the factory floor of the Orion Energy System company in the northern state of Wisconsin. He said he was proposing bigger tax credits for the research that companies do to promote clean energy, such as wind power and solar panels. "This is …