Emissions from Compression-ignition Engines and Positive-ignition Engines Fuelled with LPG or CNG.

Measurement Procedure for Two- and Three-wheeled Vehicles Equipped with a Combustion Engine with Regard to Durability of Pollution-control Devices.

Consolidated Resolution Concerning Exhaust Ultra-fine Particle Number Measurement for Heavy Duty Engines.

Net Power, Torque and Fuel Consumption.

Retrofit Emission Control Devices (REC) for Heavy Duty Vehicles, Tractors and Non-road Mobile Machinery Equipped with Compression Ignition Engines.

Positive and Compression-ignition Engines - Emission of Gaseous Pollutants - Power Measurement - Fuel Consumption.

Light Duty Passenger and Commercial Vehicles - Criteria Emissions, Emissions of Carbon Dioxide and Fuel Consumption and/or the Measurement of Electric Energy Consumption and Electric Range (WLTP).

Light Duty Passenger and Commercial Vehicles with Regards to Real Driving Emissions (RDE).

Compression Ignition Engines - Emission of Visible Pollutants - Power Measurement.

Emissions - Positive-ignition Engines - Motorcycles.