The Bio-bean start-up recycles waste coffee grounds into biomass fuel pellets and coals that can fire up both boilers and BBQsWhile the distinctive smell of a barbecue may herald the first sign of summer,it is not often associated with energy efficiency.
That may be approximately to change with the launch of a new type of barbecue coal called Hot Coffees, which hails from waste coffee grounds. Related: The innovators: micro micro-breweries causing a froth Continue reading...
Source: theguardian.com