Tell Congress to get past their differences and send me a road construction bill -- (applause) -- so that companies can put tens of thousands of people to work right now building our roads and bridges and airports and seaports. (Applause.) I mean, think about it.

WHITEHOUSE: President Obama at Johnson Control��s Battery Plant

Time will tell, but it pays to understand that the differences between clean energy sectors are often greater than their similarities.

FORBES: Top Performing Clean Energy Funds in 2010