I'm very sceptical indeed about this autoclave on a massive scale. From the few minutes I listened to of the Riser interview, DB was very vague about the actual process. I think she said it produced no pollution; chlorine was mentioned but nothing about where it went. So is the pollution just put off until the pellets are burned, say in place of coal in a power station? Rubbish into the huge autoclave, gets steamed (killing off bacteria), out come pellets (not just hydrocarbons, but including all the other elements from the rubbish) and then we burn them, releasing who knows what into the atmosphere?
Is anyone using these wonderful ginormous autoclaves, or did Re3 go out of business because there was actually no real world value in environmental terms?
I'm well aware that I may have got the wrong end of the stick somewhere, but from what I heard it just didn't sound plausible. Too much like cold fusion in my cynical opinion. The (impossible) perpetual motion machine. "Every engine must have an exhaust pipe" as my thermodynamics tutor used to say, and a pollutionless process is awfully adjacent to a miracle.