The two graphs represent the information about both vehicle numbers and CO2 emissions in two countries: England and Wales from 2000 to 2020.
Overall, it is clear that cars had given out the largest proportion of CO2 throughout the given period of time. In contrast to this, trucks used only a few tonnes of CO2. In addition, the number of car drivers had been growing steadily in England and Wales.
To begin with, there were roughly 20 million of car drivers in both England and Wales in 2000. However, the number of drivers increased to almost 62 million users by 2020.
Following this, the amounts of emissions had been growing between these years. For instance, cars had always given off the largest portions of carbon dioxide, which achieved three tonnes in 2020. Conversely, the emissions of trucks hadn’t changed significantly between 2000 and 2020, fluctuating at around from 0.5 to 0.6 tonnes. However, the amounts of CO2 produced by buses grew gradually, starting at approximately 0.6 tonnes and resulting in 1.6 tonnes.
