Great Britain. Driver & Vehicle Standards Agency

found: In service exhaust emission standards for road vehicles, 18th ed., 2014:t.p. (DVSA; Driver & Vehicle Standards Agency; an executive agency of the Department for Transport) p.2 (Department for Transport, Driver & Vehicle Standards Agency, Berkeley House, Croydon Street, Bristol BS5 0DA)

found: Its webpages on UK Government website, viewed 29 July 2014:home p. (Driver & Vehicle Standards Agency; DVSA; DVSA, Berkeley House, Bristol; other enquiries: Swansea, and, Newcastle-Upon-Tyne)

found: Wikipedia, viewed 29 July 2014(Driver and Vehicle Standards Agency; an executive agency of the UK Department for Transport (DfT); formally launched on 1 April 2014, taking over the responsibilities of the Driving Standards Agency and the Vehicle and Operator Services Agency; the responsibilities of DVSA only cover Great Britain; in Northern Ireland the same role is carried out by the Driver and Vehicle Agency (DVA); DVSA sets the standards for drivers and vehicles in Great Britain; it tests and enforces those standards through the driving test and the MOT scheme)