Since then, sulphur emissions have been reduced by over 90 percent.
The report recommends a threefold cut in sulphur emissions.
But the power industry in West Germany cut its sulphur emissions 75 per cent between 1983 and 1988.
Chester was still trying to persuade the Committee that there was no urgency about reducing sulphur emissions.
It did not cut carbon emissions, but it was free of sulphur emissions.
The subsidies are planned to cut sulphur emissions from lorries by a quarter.
Pressure is however increasing for measures to cut sulphur emission.
Granite areas are particularly vulnerable to the phenomenon of acidification caused by these sulphur emissions and must therefore receive priority treatment.
There is still considerable room for improvement with regard to nitrogen oxides and sulphur emissions.
That is equivalent to between 10 and 15 times Sweden's total output of sulphur emissions.