No smoke without fire

The Olympic Delivery Authority recently revealed that the reason it chose a gas-powered combined heat and power station at the Olympic Park was because a biomass version would require at least 30 trucks of woodchip a day to power the buildings in legacy mode with current technology. Astragal doesn't see the problem with the good old coal-burning power stations of yesteryear. All that black smoke, asthma, acid rain. Marvellous…