What Is Biogas and How Does It Differ From Other Types of Gas?
Every year, Britons throw away around 270,000 tonnes of food during the Christmas season. But we can use those leftover mince pies, roast vegetables and turkeys to generate a renewable form of energy: biogas. The Christmas season alone could be used to generate up to 300 gigawatt-hours. That is enough to heat 25,000 homes. It would also cut carbon dioxide [...]