Yesterday marked the beginning of Barack Obama's second term as the President of the United States. In a rare instance for an inaugural speech, President Obama chose to highlight several of his second-term initiatives. Addressing climate change and enhancing production of clean energy were key tenets. What are some companies that energy investors should keep their eyes on? Watch the video below in which Motley Fool energy analyst Taylor Muckerman walks through three companies' possible futures.

Taylor Muckerman has no position in any stocks mentioned. The Motley Fool recommends Clean Energy Fuels. The Motley Fool owns shares of Clean Energy Fuels. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.