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How Fast-Growing Colorado Is Tackling Its Transportation Emissions

CleanTechnica EVs

From Denver smog to jammed mountain highways, Colorado is focusing on transportation to solve congestion, pollution, and climate problems. The first in a series of stories based on RMI analysis of how key US states are deploying real climate solutions. See more at State Climate Scorecards.

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Discovery of mechanism for atmospheric particle formation suggests need for ammonia emission regulations

Green Car Congress

The presence of ammonia was first discovered in the upper troposphere in 2016 using the analysis of averaged MIPAS (Michelson Interferometer for Passive Atmospheric Sounding) infrared limb-emission spectra. The emission sources are limited up there. After learning about the former study, Mingyi Wang, a Ph.D. —Mingyi Wang.

Emissions 186
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Study links PM2.5 pollution with millions of preterm births globally

Green Car Congress

Recent research has suggested that exposure to air pollution could also be a risk factor. exposures, inclusion of provider-initiated preterm births, and exposure to indoor air pollution. There are many known risk factors for preterm birth—from the mother’s age, to illness, to poverty and other social factors. Malley et al.

Pollution 283
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Louisville launches America’s first 100% electric garbage truck fleet

Baua Electric

In what the city is calling a national first, Louisville, Colorado officials held a “ribbon cutting” last Tuesday to celebrate the launch of a new, all-electric residential recycling and waste collection fleet, which is already the city’s streets. Electrek’s Take First off, who even knew they had a Louisville in Colorado!?

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New international study finds lab testing of diesel NOx emissions underestimates real-world levels by up to 50%

Green Car Congress

A new international study has found that laboratory tests of nitrogen oxide emissions from diesel vehicles significantly underestimate the real-world emissions by as much as 50%. Real-world NO x emission factors by vehicle emissions standard in key regions. The team then computed the impacts on health, crops and climate.

Diesel 230
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EPA awards $6M in research funding to improve air quality models

Green Car Congress

The US Environmental Protection Agency (EPA) announced $5,959,842 million in research funding to nine institutions to improve air quality models used to simulate ozone, particulate matter (PM), regional haze, air toxics, and emerging pollutants. It will also inform the development of strategies for improving air quality.

EPA 207
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TOAR shows present-day global ozone distribution and trends relevant to health; public database

Green Car Congress

Even so, during 2010-2014, people in parts of California, Arizona, Colorado, Texas, the Midwest and the Middle Atlantic still experienced more than 15 days a year in which ozone levels exceeded the US health-based air quality standard of 70 parts per billion (ppb) averaged over eight hours. Source: University of Leicester. Click to enlarge.

Ozone 255