The graph shows the nitrgoen oxide emissions produced by four vehicles. Summarize the information by selecting and reporting the main features and make comparisons where relevant.

The line graph provides a comparative analysis of nitrogen oxide discharges originating from 4 types of transport: diesel cars, petrol cars, lorries, and buses. From an overarching standpoint, the amount of nitrogen oxide emitted by petrol and diesel cars is realatively consistent regardless of speed, whereas the other two types illustrate varying tendency. Turning to […]