It goes further than you can imagine. The link below goes to a famous player in the cannabis world. He even has a strain of plant named after him. He claims that by growing for seed, cannabis could COMPLETELY replace fossil fuels and is offering $100,000 to anyone that can refute his theory.
www.jackherer.com
I'm looking at that site now. This guy adds even more info and common sense to what I've been reading. Ever since I got into this research for the 60 Minutes Marc Emery segment, I have been astounded at the amount of material available now. Twenty years ago, I couldn't find a book at the library! And all that did was remind me of the nightmare of book burning.