Guardian: Drax has seen its profits plunge by almost half as it pays the price for running the UK’s biggest single carbon polluting power station in an era of rising CO2 prices. Last year Drax, the owner of the 4,000 megawatt (MW) coal-fired plant in North Yorkshire, which supplies about 7% of the country’s electricity, spent £11m buying CO2 emission allowances to cover its carbon pollution. But the company has already spent £107m this year under a second phase of the …