TOPICS / Air quality

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A measure of the condition of ambient air with respect to its effects on public health and the environment. Generally defined in terms of concentrations of six principal pollutants: carbon monoxide, nitrogen dioxide, sulfur dioxide, lead, ozone, and particulate matter.

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Status of policies for clean vehicles and fuels in select G20 countries
Reveals that the efforts made by multiple Transport Task Group (TTG) countries to promote and support policies and programs—including stringent tailpipe emissions standards, fuel economy standards, low sulfur fuels, and green...
Briefing
Impacts of world class vehicle efficiency and emissions regulations in select G20 countries
Characterizes the climate and health benefits of adopting world-class standards for new vehicle efficiency/CO2 and conventional pollutant emissions in all members of the G20 Transport Task Group.
Report
Workshop on particle emissions from heavy-duty buses and trucks, alternatives for Mexico City
The Secretary of the Environment (SEDEMA) of Mexico City hosted a workshop on eliminating particle emissions from heavy-duty buses and trucks in Mexico City.
 

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