This handbook presents a state-of-the-art review of
vehicle emission standards and testing procedures and
attempts to synthesize worldwide experience with vehicle
emission control technologies and their applications
in both industrialized and developing countries. It
is one in a series of publications on vehicle-related pollution
and control measures prepared by the World
Bank in collaboration with the United Nations Environment
Programme to underpin the Bank's overall objective
of promoting transport development that is
environmentally sustainable and least damaging to human
health and welfare.