Green Car Congress

JULY 18, 2022

The California Air Resources Board (CARB) has released the results of a multiyear study evaluating exhaust emissions from the use of California Reformulated Gasoline (CaRFG) that contains 15 volume percent ethanol (E15). California currently limits the ethanol content of gasoline to 10 percent.

Fuel Economy 186

Fuel Economy Economy Fuel Ozone 186

Green Car Congress

OCTOBER 30, 2017

Based on their findings in a new study, researchers from the University of Washington and the University of Minnesota suggest that modifying urban form—as a means of affecting motor vehicle usage—may be a strategy to mitigate urban air pollution. Their paper appears in the ACS journal Environmental Science & Technology.

Pollution 231

Pollution New Zealand Minnesota Ozone 231

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.

Ozone 273

Ozone EPA Standards 2015 273

Green Car Congress

MARCH 29, 2017

CHIE participants are exposed to one or several common air pollutants usually for a few hours at concentrations that are not expected to produce adverse responses. The NAAQS process has broad health importance because it regulates the outdoor air concentrations of those pollutants.

Pollution 150

Pollution Ozone EPA San Francisco 150

Green Car Congress

OCTOBER 20, 2016

The researchers analyzed pollutant monitoring and pulmonary health effects information as well as multiple covariates that they had collected over more than 20 years from participants in several cohorts recruited into the Children’s Health Study (CHS) in Southern California. HEI typically receives balanced funding from the U.S.

Pollution 150

Pollution Ozone California Emissions 150

Green Car Congress

OCTOBER 1, 2015

issued its final rule revising the National Ambient Air Quality Standards (NAAQS) for ground-level ozone to 70 parts per billion (ppb) from 75 ppb to protect public health. Ground-level ozone forms when nitrogen oxides (NO x ) and volatile organic compounds (VOCs) react in the air. billion nationwide, except California.

Ozone 150

Ozone EPA Standards District of Columbia 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.

Climate Change 199

Climate Change Ozone Climate California 199

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

MIT 378

MIT Emissions Ozone Power 378

Green Car Congress

JANUARY 21, 2010

Springtime ozone distributions for 1984, 1995–2008 in the mid-troposphere (3.0–8.0 Springtime ozone levels above western North America are rising primarily due to air flowing eastward from the Pacific Ocean, a trend that is largest when the air originates in Asia. The US EPA recently proposed new tougher ground-level ozone standards.

North America 199

North America Ozone Asia America 199

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. annually. “We

San Francisco 52

San Francisco Rhode Island CO2 San Jose 52

Green Car Congress

APRIL 18, 2016

Decreases in ambient air pollution levels over the past 20 years in Southern California were associated with significant reductions in bronchitic symptoms in children with and without asthma, according to a study by researchers at the University of Southern California published in JAMA. Kiros Berhane, Ph.D.,

Pollution 150

Pollution Los Angeles California Ozone 150

Green Car Congress

APRIL 7, 2015

Results from a new study by researchers at the University of California Irvine support a growing body of scientific literature indicating that sensitive populations, including children, certain ethnic groups and people of lower socioeconomic status, are more vulnerable to the effects of high exposures to traffic-related air pollution.

Pollution 150

Pollution California Davis Ozone 150

Green Car Congress

AUGUST 5, 2016

Air pollution may shorten the survival of patients with lung cancer, suggests a population-based study by a team from the University of Southern California published in the journal Thorax. Participants’ average exposure to nitrogen dioxide (NO 2 ), ozone (O 3 ), particulate matter of less than 10 um, and less than 2.5

Pollution 150

Pollution 2016 Ozone California 150

Green Car Congress

MAY 28, 2010

The California Air Resources Board (ARB) and the National Oceanic and Atmospheric Administration (NOAA) are collaborating in the $20-million CalNex research project to examine the nexus between air pollution and climate change. The complex roles that ozone and aerosols play in the atmosphere provide examples of such trade-offs.

Climate Change 210

Climate Change Climate Pollution California 210

Green Car Congress

MAY 16, 2011

Data collected during a major 2010 state-federal atmospheric research project show that the first-in-the-nation regulation requiring ocean-going vessels to use clean fuel when near the California coast has been extremely effective in reducing sulfur dioxide pollution from ships, according to the California Air Resources Board (ARB).

Pollution 186

Pollution California Clean Cleaning 186

Green Car Congress

OCTOBER 28, 2010

The two combine in the atmosphere to make either nitric acid or peroxynitrous acid; the so-called branching ratio of these two chemicals is important in models of ozone production. A research team led by NASA’s Jet Propulsion Laboratory and the California Institute of Technology (Caltech), both in Pasadena, Calif.,

Ozone 210

Ozone Los Angeles Pollution California 210

Green Car Congress

MARCH 17, 2010

While the existence of higher CO 2 levels overs cities—CO 2 domes—has been known for more than a decade, their effects on local air pollution has up to now not been explored. His study estimates that local CO 2 emissions may increase premature mortality by 50-100 and 300-1,000/year in California and the US, respectively.

Ozone 218

Ozone Los Angeles Pollution CO2 218

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.

Pollution 236

Pollution San Diego Ozone 2012 236

Green Car Congress

APRIL 19, 2013

A study by a team of researchers from France and the US found that the origin of volatile hydrocarbons, other than methane, present in city air is mainly gasoline-powered vehicles. The study showed that the proportions of such compounds in Paris air were two to three times greater than in Los Angeles or other European cities studied.

Los Angeles 225

Los Angeles Pollution Gasoline Engine 225

Blink Charging

SEPTEMBER 12, 2023

While it’s obvious that the internal combustion engine vehicles are polluting the air outside the buses, what you may not know is that numerous studies show that the pollution from the burning diesel regularly makes its way into the buses. View the Case Study How much funding is available for EV charging at school districts?

Fleet 123

Fleet Pollution Diesel Ozone 123

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

Los Angeles 285

Los Angeles Gasoline Ozone 2002 285

Green Car Congress

APRIL 24, 2009

During its meeting on Thursday, the California Air Resources Board heard the results of a study that found childhood asthma rates could increase as much as 30% with the exposure to higher levels of traffic-related air pollution. The eight-year study followed 217 non-asthmatic children from a wide area of Southern California.

Pollution 150

Pollution Ozone California 150

Green Car Congress

NOVEMBER 28, 2009

The studies use case studies to demonstrate the co-benefits of tackling climate change in four sectors: electricity generation, household energy use, transportation, and food and agriculture. The study followed 352,000 people in 66 US cities and was conducted by a team of US and Canadian researchers led by Jerrett and Smith.

Pollution 210

Pollution Climate Change Ozone Climate 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. That problem is more difficult.

Ozone 81

Ozone Pollution Portland Neighborhood 81

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.

Ozone 210

Ozone Maryland Pollution Aura 210

Green Car Congress

JANUARY 28, 2014

The “Pathways to Near-Zero-Emission Natural Gas Heavy Duty Vehicles” report, authored by GNA on behalf of Southern California Gas Co. California policy makers face challenges in devising a pathway that can simultaneously help the state achieve NO x and GHG reduction targets. Background. grams per brake horsepower-hour (g/bhp-hr).

Climate 257

Climate Gas Emissions California 257

Green Car Congress

JULY 24, 2009

Impact of the new chemistry on ambient air quality in the California South Coast Air Basin. (A) A) shows the base case peak concentrations for O 3 (ozone), ClNO and HCl in parts-per-billion by volume (ppbv). (B) Ozone can cause coughing, throat irritation, chest pain and shortness of breath. Raff et al. 2009) Click to enlarge.

Ozone 150

Ozone Pollution 2009 Coal 150

Green Car Congress

JUNE 13, 2009

University of California, Davis researchers will receive $2.8 million in new grants to study the use and impacts of escaped nitrogen from agricultural production. Nitrogen-based fertilizers help California farmers produce more than 400 agricultural commodities—vegetables, fruits, meats and dairy products—worth $36 billion a year.

Davis 240

Davis Escape Ozone California 240

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.

Gasoline 357

Gasoline Water Emissions Minnesota 357

Green Car Congress

DECEMBER 4, 2013

For a number of the most important pollutants, levels were substantially lower than required by regulations. The study, the Phase 2 Report of the comprehensive Advanced Collaborative Emissions Study (ACES). The study, the Phase 2 Report of the comprehensive Advanced Collaborative Emissions Study (ACES). Background.

Diesel 296

Diesel Emissions 2004 San Antonio 296

Green Car Congress

SEPTEMBER 1, 2012

Although viewed as a potential target in the global effort to reduce climate change, atmospheric black carbon particles absorb significantly less sunlight than scientists have predicted, according to a new study by an international team of researchers, published in the journal Science. Led by principal investigators Christopher D.

Climate 261

Climate Climate Change Carbon Boston 261

Blink Charging

APRIL 21, 2022

In this celebration, we acknowledge the future of green technology is not only healthier for the planet and its residents, but more high-tech than more archaic, higher polluting options. These green tech solutions suitable replacements for pollution-creating solutions. Earth Day and Green Tech. than gas-fueled vehicles. .

Green 52

Green Energy Pollution Ozone 52

Green Car Congress

JUNE 27, 2011

The flights will be supported by the US Environmental Protection Agency (EPA) and will aid EPA in monitoring pollutants. The fundamental challenge for satellites measuring air quality is to distinguish between pollution near the surface and pollution higher in the atmosphere. Measuring pollution from space.

Ozone 186

Ozone Maryland Pollution Baltimore 186

Green Car Congress

FEBRUARY 11, 2010

The California Air Resources Board (ARB) is developing a proposal for more stringent emission requirements—i.e., At the workshop, staff will also discuss these studies and welcomes input from stakeholders. LEVII criteria pollutant emission standards (PC/LDT1 and LDT2). proposed NMOG+NO x standards in new LEV III.

Emissions 186

Emissions Fleet California Vehicles 186

Green Car Congress

MAY 18, 2009

Further, controlling soot will significantly reduce particulate air pollution deaths. Jacobson went on to describe two of his recent studies. The first found that globally-emitted CO 2 increases US air pollution deaths by about 1,000 each year per 1.8 °F, F, with about 40% due to ozone. Mark Jacobson. Mark Jacobson.

Carbon 150

Carbon EPA Pollution Ozone 150

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.

EPRI 150

EPRI Cleaner Grid Vehicles 150

Green Car Congress

APRIL 1, 2009

The bill also directs the President to work with the relevant Federal agencies and California to harmonize, to the maximum extent possible, the federal fuel economy standards, any emission standards promulgated by EPA, and the California standards for light-duty vehicles. trucks, construction machines, ships and planes.

Climate 186

Climate Standards Carbon California 186