奥巴马总统价值八千二百五十亿美元的经济刺激计划中有一大部分包括大力提高可再生能源，给一百万房屋改进取暖御寒性能并且改进美国低效率的电网系统。
A big slice of President Barack Obama’s $825 billion stimulus package for the United States includes a boost to renewable energy, “weatherizing” a million homes, and upgrading the country’s inefficient electricity grid.