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The image shows nitrogen oxide emissions (g/km) at varying speeds (kph) for diesel cars, petrol cars, lorries, and buses: Diesel cars - 10 kph: 5, 20 kph: ~5.3, 30 kph: ~4.7, 40 kph: 4, 50 kph: ~3.9, 60 kph: 3.8, 70 kph: 3.8, 80 kph: ~3.9, 90 kph: 4, 100 kph: 4, 110 kph: 4.2, 120 kph: 4.4, 130 kph: 4.5; Petrol cars - 10 kph: 2, 20 kph: 2.1, 30 kph: ~2.4, 40 kph: ~2.6, 50 kph: 2.6, 60 kph: 2.7, 70 kph: 2.8, 80 kph: 2.8, 90 kph: 2.9, 100 kph: 3, 110 kph: 3.3, 120 kph: 3.4, 130 kph: 3.5; Lorries - 10 kph: 35, 20 kph: 33, 30 kph: 30, 40 kph: ~27, 50 kph: 24, 60 kph: 22, 70 kph: 20, 80 kph: 20, 90 kph: 20, 100 kph: 22, 110 kph: 24, 120 kph: 27, 130 kph: 30; Buses - 10 kph: 40, 20 kph: 37, 30 kph: 33, 40 kph: 30, 50 kph: 27, 60 kph: 25, 70 kph: 25, 80 kph: 27, 90 kph: 30, 100 kph: 33, 110 kph: 36, 120 kph: 39, 130 kph: 43.
Given the complexity of the image, the above description may not be entirely accurate.
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The amount of nitrogen oxide emissions relased from diesel cars, petrol cars, lorries and buses in different speeds per kilometer has been illustrated in the line graph. Overall, buses produce the highest amount of nitrogen oxide pollution in each speed limit.
On the one hand, variations in the quantity of released nitrogen oxide can be observed in buses and lorries between speed of 10 kph and 130 kph. Buses cause 40 g/km emissions commencing at 10 kph and decrease as the speed rate increases. It reaches its bottommost point of just above 25 g/km at 60 kph speed. Similarly, starting at around 33 g/km, lorries show a downward trend at first as the speed increases till 90 kph. A rise in nitrogen oxide polution speed for both transportation means can be seen as they reach maximum speed limit of 130 kph.
On the other hand, petrol cars and diesel cars cause the least amount of emissions in all speed rates. While lorries level off around 10 g/km, diesel cars commence with approximately 7 g/km and plateau at 5 h/km. The least amount of emissions are released at speed rate of 60 kph.
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