The bar chart — select —comparesmeasures the amount of CO2 emissions produced by four types of vehicles. The line graph shows the number of vehicles.

Overall, the chart indicates a — select —risefall in the emission of CO2 from cars, vans and trucks. The graph shows that the number of vehicles on the road is expected to continue to increase — select —sharplygradually.

In 2000, CO2 emissions from cars was the — select —highestlowest figure at 20 tons. The emissions from trucks and vans was similar, at 15 and 13 tons — select —respectivelysimultaneously, whereas the emissions from buses totalled — select —justexactly 9 tons.

By 2020, a rise in car emissions to over 25 tons of CO2 is — select —forecastrecorded. In contrast, the figure for CO2 emissions from buses will continue to be the lowest amount, remaining — select —stablevolatile at 9 tons.

The number of road vehicles was 20 million in 2000. This increased — select —rapidlyslightly to 50 million by 2015 and is expected to increase to 55 million by 2020.