• DIRECTIVE (EU) 2015/2193 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 25 November 2015 • Boilers, engines and turbines 1-50 MW net rated thermal input • SI 2018 No. 110 The Environmental Permitting (England and Wales)(Amendment) Regulations 2018 - Made 29th January 2018 • existing medium combustion plant means a plant put into operation before 20th December 2018 • Relates to emissions to air of NOx, SOx and dust, with CO measured but not limited • All fuels and all combustion plants in the range with a very few exceptions • Scope expanded by Defra to include smaller diesel generators with enhanced requirements