Handbook emission factors for road transport (HBEFA)
The Handbook Emission Factors for Road
Transport (HBEFA) provides emission factors for all current vehicle
categories (PC, LDV, HGV, urban buses, coaches and motor cycles),
each divided into different categories, for a wide variety of traffic
situations. Emission factors for all regulated and the most important
non-regulated pollutants as well as fuel/energy consumption and CO2 are included.