§ Ms. ShortTo ask the Secretary of State for the Environment how he expects the introduction of new vehicle emission standards to influence emissions of oxides of nitrogen from road vehicles over the next 30 years; and what projections he has commissioned to demonstrate the possible effects.
§ Mr. MacleanThe introduction of three-way catalytic converters, now required on all new petrol-engined cars, should lead to a significant decrease in NOx emissions over the next 10 years.
105WProjections by Warren Spring laboratory to 2010 were published in September 1992 in the report "Pollution in the Atmosphere: Future Emissions from the UK". I am arranging for a copy to be placed in the Library of the House. They suggest a fall in NOx emissions from road transport of between 30 per cent. and 36 per cent. by 2010 compared with 1991.
§ Mr. RaynsfordTo ask the Secretary of State for the Environment if he will publish a table showing the total estimated emissions of oxides of nitrogen in the United Kingdom in each year since 1980.
§ Mr. MacleanEstimated emissions of oxides of nitrogen (NOx) in the United Kingdom since 1980, as reported in my Department's 1991 Digest of Environmental Protection and Water Statistics, and are as follows:
NOx Emission (thousands tonnes) 1980 2,312 1981 2,242 1982 2,221 1983 2,234 1984 2,216 1985 2,327 1986 2,416 1987 2,544 1988 2,626 1989 2,717 1990 2,729