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California Assemblymembers introduce bill phasing out gasoline-fueled small off-road engines

Green Car Congress

Today, operating the best-selling gas-powered commercial leaf blower for one hour emits air pollutants comparable to driving a 2017 Toyota Camry from Los Angeles to Denver. It’s time to phase out these super polluters. Smog-forming emissions from small engines will surpass those from passenger vehicles this year.

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How Engineers Can Help Protect Earth From Worsening Climate Change

Cars That Think

The climate crisis is also having a severe effect on the planet, which is being battered by pollution, deforestation, and soil degradation. Ninety-nine percent of the global population breathes in air that exceeds WHO-guideline limits on pollutants, with low- and middle-income countries suffering from the highest exposures.

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Aclima partnering with Google to map outdoor air quality with Street View vehicles

Green Car Congress

As a pilot, in August 2014, Aclima instrumented three Google Street View vehicles to perform a month-long system test in the Denver metro area during the DISCOVER-AQ study conducted by NASA and the US Environmental Protection Agency (EPA). Sample output from the Denver pilot. Click to enlarge.

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Satellite method provides insight into ozone-NOx-VOCs sensitivity for different locations

Green Car Congress

Ozone pollution near Earth’s surface is one of the main ingredients of summertime smog. Determining effective strategies for mitigating surface ozone (O 3 ) pollution requires knowledge of the relative ambient concentrations of its precursors, NO x , and VOCs. Murray, L. Lamsal, L. Duncan, B., … Tonnesen, G.

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Study on Greenhouse Gas Emissions from Global Cities Highlights Importance of Geophysical and Technical Factors

Green Car Congress

The cities/metro areas studied were: Los Angeles County; Greater Toronto; Geneva Canton; Greater Prague; Cape Town; Denver City and County; New York City; Greater London; Barcelona; and Bangkok. Miroslav Havránek, Charles University Environment Center. The total end use emissions for the ten cities range between 4.2 t e CO 2 /cap.

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Modelling the Impact of PHEVs on Ozone in Denver

Green Car Congress

Researchers at the University of Colorado, Boulder and the National Renewable Energy Laboratory (NREL) modeled the emissions impact had plug-in hybrid electric vehicles (PHEVs) replaced light duty gasoline vehicles in the Denver, Colorado area in summer 2006. Ozone concentration increases were modeled for small areas near central Denver.

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Summer Update

Plug In Partners

They join Founding Members from these cities: Arlington, TX, Baltimore, Boulder, Dallas, Denver, Fort Worth, Irvine, CA, Los Angeles, Memphis, Philadelphia, Seattle, San Francisco, and Wenatchee, WA. New partners in recent months include: Denton, TX., Keene, N.H., Madison, Phoenix, Sacramento, Santa Ana, CA., Santa Barbara, CA., Irvine, CA.,