EarthSky.org 12.27.11 8:19 AM In the deep recesses of the ocean, there are bacteria that could be the key to creating a new, sustainable fuel source. Learning how these little bugs make their own energy might lead to cleaner fuel for the rest of us. Newsletter Get the latest Fast Company stories delivered to your inbox daily. Send I'd also like to receive special Fast Company offers ARE YOU REGISTERED TO VOTE? Register now to make sure you have a voice in the election.