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May 01, 2017   |   Diesel Technology Forum

Policy Insider

Air is Getting Cleaner, So Don’t Forget to Celebrate this Week

Air quality for communities across the country has improved substantially since advanced record keeping began.


You probably didn’t know that this week, May 1-5 is Air Quality Awareness Week. Air quality for communities across the country has improved substantially since advanced record keeping began. Much of the improvement in reducing emissions of fine particles and ground level ozone, commonly known as smog, is attributable to the introduction of clean technologies, including clean diesel. As more of the latest clean diesel technologies find their way on to roads and highways and at work on farms, construction sites and moving goods, we can expect even more emission reductions in the future.

One of the iconic images from the Los Angeles area comes from a Time magazine cover from 1967 when visibility atop the tallest building in the city was limited to under a mile given air pollution in the region. Many other large cities did not fare much better. Since 1980, emissions of ozone forming compounds, primarily oxides of nitrogen (NOx) and volatile organic compounds (VOCs), and emissions of fine particles has decreased substantially, according to emission trends tabulated U.S. EPA.



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Ezra Finkin
Director, Policy
efinkin@dieselforum.org
301-668-7230

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