The line graph differs the amount of nitrogen oxide by four types of vehicles. Summarise the information by selecting and reporting the main features, and make comparisions where relevant

The line graph illustrates the

different

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differences

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of

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in

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nitrogen

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oxide

in

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apply

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emission

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from four

type

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types

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of transportation.

Overall

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, the

buses

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had the highest amount of

nitrogen

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which harmed mostly

to

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apply

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the environment ,the lowest are from the diesel

cars

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so those could be the most eco-friendly. Public

buses

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and petrol

cars

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experienced an upward trend; lorries and diesel

cars

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witnessed the opposite trend. First,diesel

cars

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emitted a

nitrogen

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oxide level at about 7g/

km

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at 10kph and the figure slowly declined as the car got faster, until

of

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apply

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5g/

km

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at 70kph to 130kph. The

emission

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of petrol

cars

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remained

stabilizing

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to stabilize

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around 10g/

km

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across 110kph,

with

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apply

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the except for 120kph and 130kph, at which

leveled

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levelled

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up to over 11g/

km

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and 12g/

km

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respectively.

Secondly

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,

buses

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and lorries dismissed significantly more

nitrogen

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oxide,

although

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both

type

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types

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of transportation have

decreases

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decreased

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. Specifically, the

emission

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figure of

buses

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started high at 40g/

km

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at 10kph, which

then

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decreased sharply to 25g/

km

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at 60kph before recovering and breaking its previous peak with about 42g/

km

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at 130kph.

On the other hand

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, lorries’

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emission

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emissions

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started at 33g/

km

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at the lowest speed before

got

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getting

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at

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to

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the bottom at about 17g/

km

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at 90kph and got back steadily to 25g/

km

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at the highest speed.