Green Car Congress

APRIL 15, 2019

This despite evidence that suggests air pollution impacts from the transportation sector exceed those from greenhouse gases. … solar, wind, hydroelectric, and nuclear) as compared to the eastern US (EUS), where the electricity market is dominated by pollutant and precursor emitting combustion sources (i.e., —Schnell et al.

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Conversion Jordan Ozone Coal 281

Green Car Congress

NOVEMBER 7, 2017

Ozone pollution near Earth’s surface is one of the main ingredients of summertime smog. It is also not directly measurable from space due to the abundance of ozone higher in the atmosphere, which obscures measurements of surface ozone. —Jin et al.

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Ozone Insight Netherlands North America 150

Green Car Congress

APRIL 22, 2011

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.

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Ozone PHEV Texas San Antonio 218

Green Car Congress

NOVEMBER 26, 2014

Counties where measured ozone is above proposed range of standards, based on 2011-2013 monitoring data. Earlier this year, EPA staff had recommended the further reduction of this primary ozone standard from the current 75 ppb (parts per billion) to a revised level within the range of 70 ppb to 60 ppb—and preferably below 70 ppb.

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Ozone EPA Standards 2015 273

Green Car Congress

SEPTEMBER 2, 2011

In a statement released this morning, President Barack Obama said he has requested that US Environmental Protection Agency (EPA) Administrator Lisa Jackson withdraw the agency’s draft Ozone National Ambient Air Quality Standards (NAAQS) rulemaking. Earlier post.) National Ambient Air Quality Standards (NAAQS).

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Ozone Obama Standards EPA 259

Green Car Congress

AUGUST 29, 2013

1,000 to 21,000) deaths due to changes in ozone concentrations. 900 to 11,000) ozone-related early deaths per year. 300 to 4,000) ozone-related premature mortalities per year. 2000 (90% CI: 0–4,000) early deaths from ozone, according to the study. 53,000 (90% CI: 24,000–95,000) PM 2.5 related premature deaths and

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MIT Emissions Ozone Power 378

Green Car Congress

MAY 1, 2018

NO x emissions have not been decreasing as expected in recent years (2011–2015) when comparing top-down estimates from satellites and surface NO 2 measurements to the trends predicted from the US Environmental Protection Agency’s emission inventory data, according to a new study by an international team of researchers.

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Emissions Ozone Pollution EPA 150

Green Car Congress

JULY 22, 2010

Illustration of projected ozone changes in the South Coast region due to climate change in 2050. Areas in orange and red could see ozone concentrations elevated by 9 to 18 parts per billion. Our study reveals that climate change and regional air pollution are intertwined problems. Click to enlarge. Nichols, ARB chairman.

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Climate Change Ozone Climate California 199

Green Car Congress

MAY 17, 2020

Researchers at the Paul Scherrer Institute have developed a web tool called the Carculator that can be used to compare the environmental performance of passenger cars in detail. The entire life cycle of the passenger cars is taken into account, including the manufacture of the vehicles and the environmentally relevant emissions from driving.

Mariner 435

Mariner Climate Change DC Cars 435

Green Car Congress

MAY 15, 2017

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%. a, Passenger cars; b, heavy heavy-duty trucks; and c, buses. A paper on the work is published in the journal Nature. million tons more than the 8.6

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Diesel International Emissions Ozone 230

Baua Electric

APRIL 5, 2024

A new study from UC Berkeley confirms what EV fans already know: EV adoption does, in fact, make the air cleaner. Perhaps even more importantly, the study offers some quantifiable, granular data about how much electric vehicles are impacting emission rates in the here and now, not in the foreseeable future.

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San Francisco Rhode Island CO2 San Jose 52

Green Cars News

AUGUST 7, 2014

Air pollution and ground-level ozone may worsen the impact that climate change is having on food crop production around the world, according to new research. Ground-level ozone is formed when pollutants from cars and industry react with sunlight, with the amount of ozone produced increasing as tem[.].

Climate Change 50

Climate Change Ozone Pollution Climate 50

Green Car Congress

JULY 11, 2013

Renault recently made public the findings of an internal study, published first in October 2011, detailing and comparing the lifecycle assessments (LCAs) of the battery-electric and two internal combustion engined versions (gasoline and diesel) of the Renault Fluence. Photochemical Ozone Creation Potential (kg Ethene equivalent).

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Li-ion Gasoline-Electric Ozone Diesel 364

Green Car Congress

DECEMBER 19, 2012

Boxes represent pollution reading locations during that window. Computer scientists at the University of California, San Diego have built a portable pollution sensors that transmit transmit their air quality readings to smart phones, allowing users to monitor air quality in real time. Nikzad et al. Click to enlarge. Click to enlarge.

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Pollution San Diego Ozone 2012 236

Green Car Congress

JULY 17, 2017

The study is published in the journal Nature Communications. Geiger and Alberto Salvo, an associate professor of economics at the National University of Singapore, led the study—their second with São Paulo big data. This lockstep movement illustrates a very tight correlation between fuel choice and nanoparticles in the air.

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Gasoline Singapore Brazil Ozone 150

Blink Charging

SEPTEMBER 12, 2023

Even with a flurry of activity and available funding, though, only about 1% of school buses in the country are currently electric ( matching the approximate percentage of cars and light duty trucks on the road that are electric ). View the Case Study How much funding is available for EV charging at school districts?

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Fleet Pollution Diesel Ozone 123

Green Car Congress

JUNE 1, 2017

Traffic contributes more to NO x emissions in Europe than previously thought, according to a new study by a team at the University of Innsbruck. It has been a challenge to determine how much each polluter contributes to the emission output. The majority of the emissions is caused by diesel cars.

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Europe Diesel Emissions Pollution 150

Green Car Congress

AUGUST 9, 2012

A scatter plot of CO, as a tracer for pollution, versus CO 2 , as a tracer for the amount of combustion, for 2002 and 2010. Between 2002 and 2010 alone, the concentration of VOCs dropped by half, according to a new study by NOAA scientists and colleagues, published in the AGU’s Journal of Geophysical Research. ppbv/ppmv to 10.7

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Los Angeles Gasoline Ozone 2002 285

Green Car Congress

JUNE 27, 2014

New NASA satellite images released this week demonstrate the reduction of air pollution across the US. After ten years in orbit, the Ozone Monitoring Instrument (OMI) on NASA’s Aura satellite has been in orbit sufficiently long to show that people in major US cities are breathing less nitrogen dioxide.

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Ozone Maryland Pollution Aura 210

Cars That Think

SEPTEMBER 22, 2021

Of course, it's not enough to detect air pollutants; you must also remove them. Ionization can itself create ozone. The state of California has banned such ozone generators entirely. Purifiers vary widely in the pollutants they claim to clean and how they claim to clean them. In fact, ionization can itself create ozone.

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Ozone Pollution Portland Neighborhood 89

Green Car Congress

MARCH 16, 2012

eutrophication; ET = ecological toxicity; FEC = fossil energy consumption; WU = water use; LO = land occupation; “The rest” includes acidification; smog formation; ozone layer depletion; and human health effects. GW = global warming; Eut. Credit: ACS, Yang et al. Click to enlarge. —Yang et al. Process flow diagrams for E85 and gasoline.

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Gasoline Water Emissions Minnesota 357

Green Car Congress

OCTOBER 30, 2009

The 100-year global warming potentials (GWPs) for methane, CO, and NO x (per Tg N) as given in the AR4 and in this study when including no aerosol response; the direct radiative effect of aerosol responses; and the direct+indirect radiative effects of aerosol responses. Source: Shindell at al. Click to enlarge.

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Climate Change Climate Ozone Pollution 268

Green Cars News

JANUARY 21, 2010

A new international study suggests that springtime ozone levels above western North America are rising mainly because of air flowing eastward from the Pacific Ocean – a trend at its largest when the air originates in Asia. This could even make it difficult for the US to meet Clean Air Act standards for ozone pollution.

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Ozone Emissions North America Asia 39

Green Car Congress

FEBRUARY 19, 2010

A new study by led by Nadine Unger at NASA’s Goddard Institute for Space Studies (GISS) that analyzes the net climate impacts of emissions from economic sectors rather than by individual chemical species has found that on-road transportatation is and will be the greatest net contributor to atmospheric warming now and in the near term.

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Transportation Climate Change Power Powered 391

Cars That Think

DECEMBER 19, 2021

Up there, 10 to 50 kilometers above the Earth’s surface, ozone molecules absorb the sun’s ultraviolet light, protecting life far below. Even less is understood about the potential risks to people and the environment—could the particles deplete the ozone layer, for example, or significantly alter the weather?

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Ozone Solar Climate Change Climate 118

Green Car Congress

NOVEMBER 11, 2018

New research by George Mason University found that exposure to certain air pollutants is linked to increased emergency department (ED) visits for respiratory and cardiovascular diseases. The study is published in the journal Environment International. We estimated associations between twelve ambient air pollutants of both primary (e.g.

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Pollution St. Louis Dallas Atlanta 353

Green Car Congress

JULY 29, 2015

Google Street View cars can be equipped with Aclima’s mobile sensing platform to measure nitrogen dioxide; nitric oxide; ozone; carbon monoxide; carbon dioxide; methane; black carbon; particulate matter; and Volatile Organic Compounds (VOCs). Aclima, Inc.,

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Google San Francisco Denver Vehicles 150

Green Car Congress

NOVEMBER 13, 2014

Drivers can breathe easier because most microscopic, hazardous “fine dust” particles will now be prevented from entering the car. In a car equipped with the new improved multi-filter, the amount of “fine dust” particles smaller than 0,4 ? Ground-level ozone. If the outside air becomes too toxic, the vents automatically close.

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Volvo Emissions Ozone Environment 236

Green Car Congress

SEPTEMBER 21, 2015

This study builds on the 2007 Environmental Assessment of Plug-in Hybrid Electric Vehicles by EPRI and NRDC ( earlier post ), which showed that plug-in hybrid electric vehicles could contribute to reductions in national greenhouse gas emissions, while also leading to improved air quality. —Mike Howard, EPRI president and CEO.

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EPRI Cleaner Grid Vehicles 150

Plugs and Cars

JULY 19, 2007

The basic question addressed, which appears on the study homepage (epri-reports.org) is this: How would air quality and greenhouse gas emissions be affected if significant numbers of Americans drove cars that were fueled by the power grid? And the grid is getting cleaner and more renewable every year. billion metric tons.

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Plug-in EPRI Plug Sierra 100

Cars That Think

NOVEMBER 16, 2021

We see it as similar to the ozone hole problem, where we really needed a tight, science-based focus on the limits to human inputs to the system--and howthose inputs affected the ozone layer's ability to keep people safe. by spewing pollution into the air. The largest blue bar is the effect of pollution particles on clouds. [[The

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Climate Climate Change Mariner Pollution 144

Green Car Congress

MAY 2, 2016

the criteria pollutants and CO 2 that emerge with the exhaust from the tailpipe. Accordingly, there have been a number of recent studies working to assess the impact of non-exhaust emissions from EVs and suggesting a regulatory or policy response (e.g., A 2014 study by Weinbruch et al. earlier post ). Background.

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Exhaust Emissions Belgium Gasoline-Electric 150

Green Car Congress

FEBRUARY 11, 2010

Regarding future Greenhouse Gas (GHG) emission regulations (Pavley 2), staff is evaluating studies of the feasibility and cost of advanced technologies to reduce GHG emissions that could achieve widespread sales and acceptance in the 2017-2025 timeframe. LEVII criteria pollutant emission standards (PC/LDT1 and LDT2).

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Emissions Fleet California Vehicles 186

Green Car Congress

OCTOBER 20, 2012

A new study led by researchers at the University of Michigan compared regulated and unregulated emissions from both light-duty passenger car (1.7 A new study led by researchers at the University of Michigan compared regulated and unregulated emissions from both light-duty passenger car (1.7 Credit: ACS, Chin et al.

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Pollution Diesel Emissions Engine 231

Green Car Congress

MAY 12, 2017

A new study quantifying emissions from a fleet of gasoline direct injection (GDI) engines and port fuel injection (PFI) engines finds that the measured decrease in CO 2 emissions from GDIs is much greater than the potential climate forcing associated with higher black carbon emissions from GDI engines. —Saliba et al. of the data.

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Fleet Engine Global Fuel Economy 207

Cars That Think

JULY 20, 2021

A scholarly literature has documented this process in fields as diverse as engineering, risk reduction, management, and urban studies. One example where this strategy has been successfully employed is the Montreal Protocol on Substances That Deplete the Ozone Layer. Remote working has become the new status quo in many sectors.

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Chad London Iceland Ozone 98

Cars That Think

DECEMBER 16, 2022

There is an exception to that in the category of what they call super pollutants, the very powerful but shorter-lived gases and chemicals that come from things like fertilizer production, methane. Strickland: And can you talk a little bit about where those studies are in terms of real-world experiments. They also mix with clouds.

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Climate IDEA Mariner Carbon 76