Road Vehicles (Construction and Use) Regulations 1986.

The Road Vehicles and Non-Road Mobile Machinery (Type-Approval) (Amendment) (EU Exit) (No. 3) Regulations 2019.

Passenger Car Fuel Consumption Order 1983.

Motor Fuel (Lead Content of Petrol) Regulations 1981.

Motorcycles (Replacement of Catalytic Converters) Regulations 2009.

Motor Vehicles (Replacement of Catalytic Converters and Pollution Control Devices) Regulations 2009 - Reference ECE Regulation No. 103.

Motor Fuel (Sulphur Content of Gas Oil) Regulations 1976.

Type Approval of Reduced Pollution Adaptation Regulations 1998.

Motor Fuel (Composition and Content) Regulations 1999 - Reference EC Directive No. 98/70/EC.

Passenger Car Fuel Consumption and CO2 Emissions Regulations 2001 - Reference EC Directive No. 1999/94/EC.