BS ISO 23274-1:2019 Hybrid-electric road vehicles. Exhaust emissions and fuel consumption measurements Non-externally chargeable vehicles

Energy consumption
Gas analysis
Hybrid vehicles
Fuel consumption
Electric motors
Emission measurement
Electrically-operated devices
Internal combustion engines
Exhaust gases
Testing conditions
Power measurement
Road vehicles
Power measurement (electric)

Link: BS ISO 23274-1:2019 Hybrid-electric road vehicles. Exhaust emissions and fuel consumption measurements Non-externally chargeable vehicles
Source: BSI Standards