Guardian: Drax, Britain’s biggest coal-fired power station, said yesterday it had bought equipment that will cut its carbon dioxide emissions by more than 2.5m tonnes a year. It has signed a £10m contract with Doosan Babcock Energy for direct-injection biomass co-firing systems for all six of the coal-fired units at its 4,000-megawatt plant in North Yorkshire. The new facility, which will allow Drax to mix renewable biomass materials – such as straw, wood and food and agricultural …