John, Colchester asked:
Would plastics which are meant for domestic containers be made more suitable for making good gases when theyíre finished with, unlike todayís plastics?
We put this question to John Williams, Polymers and Materials Manager at the National Non-Food Crops Centre:
John - Well, thatís the drive. There's a drive there anyway at the moment to do that. Thatís why you see the decline of PVC in certain applications in the market place, which is one of the usual problems. We are deriving clearer plastic streams which will be a lot purer.