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.

Most Recent

Investigated the impacts of updating three standards in Mexico to align with the international best practices employed in the rest of North America: gasoline and diesel sulfur standards, passenger vehicle emissions standards, and truck and bus emissions standards. 

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.

2018.01.03

Investigated the impacts of updating three standards in Mexico to align with the international best practices employed in the rest of North America: gasoline and diesel sulfur standards, passenger vehicle emissions standards, and truck and bus emissions standards. 

Publication: Working paper
2017.12.01
Can’t get enough of zombie movies? Well, get ready for a real-life version. Scott Pruitt’s EPA is bringing the oldest and dirtiest diesel engines back from the dead—but disguising them in a shiny new host body. How?
Blog Post
2017.11.29
It's not the most important or even the worst thing about the Pruitt EPA's propo
Blog Post
2017.10.23
[This post originally appeared on the TRUE initiative website, www.trueinitiative.org, 16 Oct 2017]
Blog Post
2017.10.23
[This post originally appeared on the TRUE initiative website, www.trueinitiative.org, on 17 Oct 201
Blog Post
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
2017.04.06
In January, the Automotive Research Association of India (ARAI) published a booklet summarizing Indian emissions regulations for transportation sources.
Blog Post

Pages