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… policy, act or rules (Figure 16); and 104 had vehicle emission standards (Figure 17) (United Nations Environment … energy efficiency Clean production incentives Vehicle emission standards Fuel sulfur content Public transport …

… evidence exists to advance risk reduction action • Enforce emission and release standards if in place, establish … world. Cities, which have both a high concentration of emission sources and a high density of people, feel keenly … other policies including regulatory measures, such as emission standards, and information tools, such as labelling …