The given line and bar graphs demonstrate data about vehicle number and co2 emission rate in England and Wales between 2000 and 2020, where the line graph illustrates the number of vehicles, and the bar graph represents the amount of co2 emission.
Overall, it is clear that the number of vehicles increased over the time, while the highest amount of co2 was emitted by cars, and buses released the least amount of co2.
According to the line graph, there were around 20 million of cars in England and Wales in 2000. In addition, the number experienced a significant growth, reaching just over 60 million by 2020.
On the other hand, the cars released around 2.25 tons of co2 in 2000, and the rate increased dramatically to almost 2.75 tons by 2010 and around 3 tons by 2020. Moreover, the other 3 types of vehicles also followed upward trends although buses released the least amount of co2, at under 0.5 in 2000 and almost 0.5 by the end of the period. In contrast, trucks emitted around 0.75 tons at the beginning of the period, compared to vans that released 0.5 tons in 2000. After 2000, emission increased rapidly to almost 1 ton by 2010 and around 1.25 tons by 2020 for trucks, whereas the amount co2 emission by vans rose slightly to just over 0.5 by 2010 and remained steady for the rest of the period.