When it comes to energy efficiency, there is a lot that we as individuals can do: purchase those fancy light bulbs, switch to high efficiency appliances, ride our bikes more... By making simple changes we can reduce the strain our behavior puts on our wallets, and the environment.

On a bigger scale, however, there are ways to cut our energy use that can save billions of dollars. In this video, Fool.com contributor Aimee Duffy talks about the coming emphasis on energy efficiency in Washington, and how our portfolios can benefit.