# The Road Vehicles (Construction and Use) Regulations 1986, Paragraph 8


(1) This Part of this Schedule applies to a vehicle if, when subjected to a relevant test, the coefficient of absorption of the exhaust emissions from the engine of the vehicle immediately after leaving the exhaust system exceeds—
(a) if the vehicle is first used before 1st July 2008 and the engine of that vehicle is turbo-charged, 3.0 per metre , or the manufacturer’s plate value if lower;
(b) if the vehicle is first used before 1st July 2008 and the engine of that vehicle is not turbo-charged, 2.5 per metre , or the manufacturer’s plate value if lower; or
(c) if the vehicle is first used on or after 1st July 2008 but before 1st January 2014, the manufacturer’s plate value if available, otherwise, 1.5 per metre;
(d) if the vehicle is first used on or after 1st January 2014, the manufacturer’s plate value if available, otherwise 0.7 per metre.
(2) In paragraph (1) “a relevant test” means a test conducted in accordance with—
(a) point 8.2.2 of Annex 1 of Directive 2014/45/EU; or
(b) point 8.2.2 of Annex 2 of Directive 2014/47/EU

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Source: https://www.legislation.gov.uk/uksi/1986/1078/schedule/7B/paragraph/8 (the official version)
Page: https://openlegislation.uk/road-vehicles-construction-and-use-regulations-1986/schedule-7B/paragraph-8
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.