It's a little bit confusing. I don't know if they're deliberately or not deliberately confusing you with those words. Pyrolysis takes place in no oxygen, and gasification in a little bit of oxygen; that's a slight difference. The gasification also takes place at a lower temperature than pyrolysis. Pyrolysis takes place at a higher temperature.
Neither of them is any good. They both put out these poisons. The companies attempt to confuse the public by fancy terminology and big words. The bottom line is that these poisons come out of the gas stack, they get into the air, and they get into the food chain through this process of bioaccumulation that I spoke of previously. They get into our air and our water and our food, and they cause cancer. I really would love to see a way of stopping this.