Cambodia – Light from rice: Biogas from rice waste will turn the lights on in Cambodia
Source: R&D20/07/2012 – Rice hulls are like baby pigeons. They seem to exist only in the abstract. The hard shells protect rice grains during the growing season. But they are long gone when we tuck into a sushi roll. During harvest, they rise in looming mountains of waste. Ingenious farmers have turned them into bricks,…