Why South Africa should look to biomass for clean, water-wise energy: Torrefaction produces a substance that can be burned like coal. Deyveone/ShutterstockNext time you’re strolling through a food market, stocking up on fruit and vegetables, consider this: you’re surrounded by unharnessed energy. Cabbages, apples, potato peels and similar food stuffs are all potential … [Read more...] about Why South Africa should look to biomass for clean, water-wise energy | The Conversation