The given graph shows the nitrogen oxide emissions produced by four vehicles. Summarise the information by selecting and reporting the main points and make comparisons where relevant.

The given graphs represent information about nitrogen oxide emissions made by certain transports.

Overall

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, it is evident that emission by Buses was the biggest compared to other vehicles. To commence emissions by Bus were the biggest, which made up 40 at the starting point and

then

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dropped to about 25 in 60

kph

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, respectively.

Moreover

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,after 70

kph

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there was growth , which accounted for 30 and increased to approximately 42 at 130

kph

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.

On the other hand

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, Lorries showed a similar trend at the starting point , which comprised 33 in 10

kph

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and

then

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fell to 25 in 60

kph

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,

consequently

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.

Furthermore

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, there was a fluctuation trend , which made up 25 in 130

kph

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. When it comes to Petrol cars which illustrates the stable trend in each stage , which accounted for about 10 .

Last

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but not least were Diesel cars, which showed stable numbers , which made up about 5. It may be concluded that Buses showed the biggest number of emissions of nitrogen oxide.