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Texas study finds PHEV use could increase ozone at night, decrease ozone during the day

Green Car Congress

A study by researchers at the University of Texas found that in general, use of plug-in hybrid electric vehicles (PHEVs) can lead to an increase in ozone during nighttime hours (due to decreased scavenging from both vehicles and EGU stacks) and a decrease in ozone during daytime hours.

Ozone 218
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MIT study: half of US deaths related to air pollution are linked to out-of-state emissions

Green Car Congress

The study focuses on the period between 2005 and 2018 and tracks combustion emissions of various polluting compounds from various sectors, looking at every state in the contiguous United States, from season to season and year to year. They first obtained emissions data from each of seven sectors for the years 2005, 2011, and 2018.

MIT 307
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Study finds US air pollution deaths nearly halved between 1990 and 2010

Green Car Congress

Improvements in air quality and public health in the US coincided with increased federal air quality regulations, and have taken place despite increases in population, energy and electricity use, and vehicle miles traveled between 1990 and 2010. and ozone from a 21-year computer simulation of air pollution across the US. Hogrefe, C.,

Pollution 265
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Calif. ARB releases GHG scoping plan update; more ZEVs, “LEV IV”, MD and HD regulations; ZEV for trucks; more LCFS

Green Car Congress

Many of the strategies employed to reduce GHG emissions will also work to meet the national ambient air quality standard for ozone in 2032. California is also making strides toward reducing the number of miles people drive, through more sustainable local and regional housing, land use, and transportation planning. Low-Carbon Fuels.

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The New Supersonic Boom

Cars That Think

Meanwhile, environmentalists were voicing concern—about how noisy such aircraft are taking off, about the possibility that their high-altitude emissions would erode the ozone layer, and about how disruptive the sonic booms would be. 1,100 miles per hour) without producing a loud, disturbing sonic boom on the ground."