§ Mr. DobsonTo ask the Secretary of State for Energy what has been the total spending in 1979–80 and each succeeding year by his Department and the industries for which it is responsible on improving the efficiency of the combustion of coal in power station boilers.
§ Mr. WakehamThe efficiency of combustion of coal in power station boilers has been consistently in the region of 99 per cent. over the last 10 years.