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Message: <blockquote data-quote="kenjib" data-source="post: 850249" data-attributes="member: 530">For now.  How might this kind of technology look 30 years from now -- especially with the kind of smart computer-aided technology that is only now starting to really blossom?The conservation of energy can come from the input of fuel (turkey castings).  As I read it, it means that the 85% is the end product while the other 15% was equivalent to the amount that fuelled the process itself.  Later in the article it says that the natural gas is used to fuel the process, because it is too difficult to use in other ways.'Thermal depolymerization, Appel says, has proved to be 85 percent energy efficient for complex feedstocks, such as turkey offal: "That means for every 100 Btus in the feedstock, we use only 15 Btus to run the process." He contends the efficiency is even better for relatively dry raw materials, such as plastics.''"Gas is expensive to transport, so we use it on-site in the plant to heat the process," Appel says.'Very goods points.  Maybe this is just the beginning though.  I certainly hope so.  At the very least, though, such an efficient system run only as a utility (instead of a decentralized model) should still be a heck of a lot cheaper for the consumer since the consumer fuels the production.</blockquote>