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https://www.reuters.com/business/sustainable-business/exclusive-shell-unilever-plastics-polluters-back-recycling-tech-flops-2021-07-29/
News agency reports advanced and chemical recycling projects from large multinational companies “flop”; projects launched in the last few years by Royal Dutch Shell, Unilever, and Delta Airlines to convert plastic waste into fuel reported to have all been dropped due to lack of economic viability