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  2. Diesel particulate filter - Wikipedia

    en.wikipedia.org/wiki/Diesel_particulate_filter

    Diesel particulate filter of a school bus A diesel particulate filter (top left) in a Peugeot Off-road – DPF installation. A diesel particulate filter (DPF) is a device designed to remove diesel particulate matter [broken anchor] or soot from the exhaust gas of a diesel engine. [1] [2]

  3. Vehicle inspection - Wikipedia

    en.wikipedia.org/wiki/Vehicle_inspection

    The MOT test (from Ministry of Transport, the former name of the Department for Transport) is a mandatory annual test of safety, road worthiness and exhaust emissions for vehicles over three years old. It is enforced by linking the official MOT database to the payment of Vehicle Excise Duty tax. Prior to November 2014 a tax disc had to be ...

  4. MOT test - Wikipedia

    en.wikipedia.org/wiki/MOT_test

    The main purpose of the MOT test is to check if a vehicle meets the main UK road safety standards. [17] The decision to pass or fail each presented vehicle comes down to the discretion of the tester following the guidelines issued by the DVSA. The MOT test covers the following aspects: [18] Exhaust and emissions; Seat belts; Steering ...

  5. Vehicle and Operator Services Agency - Wikipedia

    en.wikipedia.org/wiki/Vehicle_and_Operator...

    The public are most aware of its activities through its regulation of the MOT vehicle inspection test in Great Britain. VOSA are generally better known by commercial vehicle operators as "The Ministry", a throwback to the days of the former Ministry of Transport (MOT). In Northern Ireland this role is performed by the Driver & Vehicle Agency.

  6. Vehicle inspection in the United States - Wikipedia

    en.wikipedia.org/wiki/Vehicle_inspection_in_the...

    Striped: Both safety and emissions testing required. In the United States, vehicle safety inspection and emissions inspection are governed by each state individually. Fifteen states have a periodic (annual or biennial) safety inspection program, while Maryland requires a safety inspection and Alabama requires a VIN inspection on sale or transfer of vehicles which were previously registered in ...

  7. Diesel exhaust fluid - Wikipedia

    en.wikipedia.org/wiki/Diesel_exhaust_fluid

    The South Korean government started rationing urea solution, and banned its resale as panic buying by drivers exacerbated an acute shortage that could cause transport and industry to grind to a halt. [29] A KC-330 Cygnus was sent to import Diesel exhaust fluid from Australia to ease a supply shortage of the key material used in diesel vehicles ...

  8. Volkswagen emissions scandal - Wikipedia

    en.wikipedia.org/wiki/Volkswagen_emissions_scandal

    A Channel 4 documentary in January 2015 referred to the UK government moving to a CO 2 emission band system for road tax, which favoured diesel power, as the "great car con", with Barry Gardiner MP, former member of the Blair government, stating that the policy, which lowered CO 2 emissions yet increased NO x pollution, was a mistake.

  9. National Car Test - Wikipedia

    en.wikipedia.org/wiki/National_Car_Test

    The National Car Test (Irish: An tSeirbhís Náisiúnta Tástála Carranna; abbreviated NCT) is a roadworthiness test, which all cars in Ireland must undergo. Following a tender process, the Road Safety Authority awarded the National Car Testing Service contract for the operation of the vehicle inspection service in the Republic of Ireland to Applus.