The city's NOx reduction measures are well 1998.04.15

According to the Tokyo metropolitan Government, operators using more than 50-year-long freight vehicles achieved 45% of the reduction target by fiscal 2000 in 1997. In June 1998, 591 companies, approximately three-quarters of which were targeted to curb emissions, were submitted to the city with a suppression plan. The plan to take measures such as abolition of idling, the plan to reduce the driving volume by reviewing sales routes, and the plan to introduce low-emission vehicles was about half.