METHANE generated by rotting rubbish in landfill dumps could make a far greater contribution to the world’s energy supply. A new way of harvesting the gas should mean that many landfill dumps that till now were thought to be too small to produce usable amounts of the gas will be able to provide a viable supply.
In Europe alone, landfill has the potential to generate as much as 94 billion cubic metres of methane each year. Yet according to the European Commission’s energy directorate only about 1 per cent of this is being tapped. The rest of it goes to…
