It is estimated that heavy vehicles, including specially permitted commercial vehicles, which are few in number, account for the majority of NOx and SPM emissions. Their adverse effects on the environment are a social issue.
Reference: Kanto Regional Development Bureau Ministry of Land, Infrastructure and Transport
Trucks and other heavy vehicles are the major means of freight distribution and cause various problems for the safety of people, roads, and the environment. Heavy vehicles must be controlled appropriately.
Discharge of air pollutants
Prepared from a document of the National Institute for Land and Infrastructure Management