Writer Amy Yee describes in her article in The New York Times how waste has been transformed to a valuable commodity. Rather than burning coal or natural gas, trash from households or certain industries is burned in the power plant to produce electricity but also heat which is then distributed to private houses and commercial use for heating purposes, hot water, kitchens and so on.
Between 2002 and 2005, Sweden banned landfilling of organic matter and combustible waste, which has given the needed push to invest in waste-to-energy plants and to find new methods for collecting food waste. This is where Optibag comes in; with its optical sorting facility that separates co-mingled food waste, bagged in green food waste bags, from the residual waste stream. The food waste is processed in a anaerobe digestion or biogas plant to environmentally friendly fuel for vehicles and public transport, replacing fossil fuel.