Current predictions indicate that by AD 2020, the transport sector in the UK will consume 41(+/-2)% of total national primary energy demand with 37.5(+/-2.5)% of this energy being provided by DERV. Economically recoverable indigenous reserves of petroleum and natural gas will be exhausted early next century, forcing the UK to rely heavily upon imports of these commodities. The forecasted increases in the latter will result in a rise in the national rate of CO2 emissions after AD 2000. It has been estimated that by 2020, approximately 675(+/-55) million tonnes of CO2 will be emitted annually in the UK, with similar to 30% of these arising from transport. The percentage of total SO2 emissions resulting from the transport sector is also predicted to increase to 10% by AD 2020. The recent rise in energy demand by the transport sector is also leading to larger emission rates of other atmospheric pollutants in the UK. In 1992, transport was responsible for 48%, 48%, 91%, and 61% of the total national emissions of black smoke, VOCs, CO, and NOX respectively, with 47%, 46%, 90% and 53% of these respectively resulting from road transport. The reliance of transport in the UK on the use of fossil fuels, which are a declining resource and highly polluting when burnt, must therefore be urgently addressed.