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Studies find global COVID-19 lockdowns have significantly reduced PM2.5 and NO2 pollution, but ozone up

Green Car Congress

Levels of two major air pollutants have been reduced significantly since lockdowns began in response to the COVID-19 pandemic, but a secondary pollutant—ground-level ozone—has increased in China, according to new research. Ozone is harmful to humans at ground-level, causing pulmonary and heart disease. —Guy Brasseur.

Ozone 291
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Study links ambient PM2.5 and ozone specifically caused by vehicle exhaust emissions to ~361,000 premature deaths worldwide in 2010 and ~385,000 in 2015

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and ozone deaths, associated mortality rates, and population in G20 economies in 2015. and ozone worldwide in 2010 and ~385,000 in 2015, equivalent to 11.7% and ozone premature deaths in 2010 and 11.4% and ozone concentrations from transportation emissions resulted in 7.8 Transportation-attributable PM 2.5 Together, PM 2.5

Ozone 230
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Satellite data show resurgence in NO2 emissions over China

Green Car Congress

The satellite carries the Tropomi instrument to map a multitude of trace gases such as nitrogen dioxide, ozone, formaldehyde, sulfur dioxide, methane, carbon monoxide and aerosols. ©ESA/ATG We can certainly attribute a part of the nitrogen dioxide emission reduction to the impact of the coronavirus. ©ESA/ATG medialab.

China 473
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EEA report finds more action needed to protect Europe’s most vulnerable citizens from air pollution, noise and extreme temperatures

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Many regions in Bulgaria, Croatia, Greece, Italy, Portugal and Spain are also characterized by lower incomes and education, higher levels of unemployment and larger elderly populations. In parts of Europe a large number of people are unable to keep their homes adequately warm because of poor-quality housing and the price of energy.

Pollution 265
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International study of role of soots impact on Arctic climate

Green Car Congress

Scientists from the US, Norway, Russia, Germany, Italy and China are participating in a study examining the potential role of black carbon, or soot, on the rapidly changing Arctic climate. The Arctic climate is changing faster than some scientists expected. The study will run through 15 May out of Svalbard, Norway.

Climate 199
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Sponsors of SAE Study Conclude HFO-1234yf Can Be Used As Low-GWP Global Replacement Refrigerant in MAC Systems

Green Car Congress

HFO-1234yf is a non-Ozone Depleting Substance with a Global Warming Potential (GWP) of 4. As part of the studies, the automotive industry conducted evaluations on a variety of vehicle applications. This new refrigerant is part of a larger platform of low-GWP refrigerants and blowing agents that Honeywell is developing.

Global 186
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Automakers agree on common plug to recharge electric vehicles

Tony Karrer Delicious EVdriven

Caroline Reichert, an RWE spokeswoman, noted that the idea here is to ensure that "a car can be recharged in Italy in exactly the same way as in Denmark, Germany or France." Neutral Big Papi @ Apr 20th 2009 10:05AM All - The end of the plug that you see is the end that plugs into the car not the part that would plug into the wall.