Regulation 1 Citation and commencementI1 United Kingdom These Regulations may be cited as the Renewable Transport Fuels and Greenhouse Gas Emissions Regulations 2018 and come into force on 15th April 2018. Annotations Commencement I1 Reg. 1 in force at 15.4.2018, see reg. 1 ← Introduction Regulation 1 Regulation 2 →