§ Ms. WalleyTo ask the Secretary of State for the Environment what were the 1987 emissions of carbon dioxide, carbon monoxide and nitrogen oxides from automobile and freight transport.
§ Mrs. Virginia BottomleyThe information available relates to emissions from petrol-engined and diesel-engined road vehicles. The basis for estimation is constantly being updated, and a major revision took place in 1988. For comparability, therefore, figures are given for the years 1977–1987.
Carbon dioxide, carbon monoxide and nitrogen oxides: estimated emissions from road vehicles, by type of fuel United Kingdom C02 CO NOx million tonnes thousand tonnes Petrol-engined Vehicles 1977 15.2 3,629 432 1978 16.1 3,841 458 1979 16.4 3,911 466 1980 16.8 4,007 477 1981 16.4 3,867 467 1982 16.9 4,187 497 1983 17.1 3,824 462 1984 17.7 3,812 471 1985 17.9 3,934 489 1986 18.8 4,146 520 1987 19.4 4,390 558 Diesel-engined Vehicles 1977 4.8 76 417 1978 5.0 78 429 1979 5.1 81 442 1980 5.0 78 428 1981 4.7 75 420 1982 4.9 79 435 1983 5.2 70 399 1984 5.7 72 418 1985 6.0 73 426 1986 6.7 75 440 1987 7.2 80 473