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Why do MOT tests include a strict exhaust emission test?

A To help protect the environment against pollution.

Emission tests are carried out to ensure your vehicle's engine is operating efficiently. This ensures the pollution produced by the engine is kept to a minimum. If your vehicle is not serviced regularly, it may fail the annual MOT test.

Related Information

The MOT test is an annual inspection of a vehicle to ensure that it meets the minimum legal requirements for road safety and environmental standards in the UK. It includes a strict exhaust emission test which measures pollutants such as carbon monoxide, hydrocarbons and nitrogen oxides. This is important because these pollutants are harmful to both human health and the environment.

Exhaust emissions from vehicles contribute significantly to air pollution in urban areas, leading to increased levels of smog, asthma attacks and other respiratory illnesses among local residents. The toxic gases emitted by cars also damage vegetation, reduce visibility due to haze formation, cause acid rain which can corrode buildings over time as well as contributing towards global warming through greenhouse gas emissions into the atmosphere. By ensuring that all cars meet certain limits on their exhaust emissions before being allowed on public roads with an up-to-date MOT certificate this helps reduce some of these negative impacts caused by car use .

In conclusion ,the strict exhaust emission test included in MOT tests plays an important role in protecting both people’s health and our environment from harm caused by vehicle pollution . Regular testing ensures that only safe vehicles are allowed onto public roads while helping us achieve cleaner air quality overall across Britain's towns & cities.


Darren bradbury

2 years ago

Great app would recommend

Ashish Mudaliar

2 years ago

Excellent questionnaire and detailed explanation

Solomon Indrias

2 years ago

Simple to study and it helps me alot to pass my theory test.

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