 Truly, the cleanest for the environment is affordable, abundant, and is ready right now to do what all the other clean energy sources hope to do someday. It's propane. Yes, propane. To learn more about what propane can do for you, check out the State of Energy right here, Saturday mornings at 630. Also, the propane industry is set to grow by $50 billion over the next five years. Go to findapropanejob.com.