13 Apr 2023 --- Material recovery and biological treatment (MRBT) methods for mixed waste sorting could be a cost-competitive and superior carbon-saving alternative to incineration practices, according to a new report by Zero Waste Europe (ZWE). The report, based on a study by Equanomitor, shows that capital investments for MRBT could be under half of what is required for traditional incineration facilities, which typically burn waste such as used packaging for energy in cement kilns.