Topics / Air quality

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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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 freight programs—are in good alignment with the long-term perspective and pathways of the Transport Task Group defined in the G20 Energy Efficiency Leading Programme.

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.

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.

2017.08.15

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 freight programs—are in good alignment with the long-term perspective and pathways of the Transport Task Group defined in the G20 Energy Efficiency Leading Programme.

Publication: Briefing
2017.01.30
The news earlier this month that the U.S.
Blog Post
2017.01.25

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.

Publication: Report
2017.01.04
In Beijing, air pollution is once again off the charts.
Blog Post
2016.10.05

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.

Event
2016.09.16

Current non-road regulatory programs lag behind comparable programs for on-road diesel engines, and are not stringent enough to compel the use of the best available technologies for the control of PM and NOx emissions.

Publication: White paper
2016.07.28
In Mexico City the summer rains have brought temporary relief from the choking, eye-watering, crisis-level air pollution of the spring.
Blog Post
2016.07.14
On June 29, 2016, President Obama, President Peña Nieto, and Prime Minister Trudeau laid out a formidable shared agenda at the North American Leaders’ Summit on a disparate set of issues that ranged from LGBT rights to global climate cha
Blog Post
2016.05.27
As the debate over local air quality intensifies in Delhi,
Blog Post

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