Green Car Congress

SEPTEMBER 4, 2014

Ozone, the main component of smog, is a plant-damaging pollutant formed by emissions from vehicles, cooking stoves and other sources. New research shows that ozone pollution damaged millions of tons of wheat, rice, soybean and cotton crops in India in 2005. Surface ozone pollution in India damaged 6 million metric tons (6.7

Ozone

Green Car Congress

JANUARY 8, 2023

The Health Effects Institute (HEI) has launched two new studies funded under RFA 21-1, Quantifying Real-World Impacts of Non-Tailpipe Particulate Matter Emissions. The new studies are: Improved Characterization of the Real-World Contributions and Impacts of Non-tailpipe Particulate Matter Emissions ,” led by Greg Evans, University of Toronto.

Emissions

Green Car Congress

MARCH 11, 2013

Researchers from Rice University and the US Environmental Protection Agency (EPA) report in a paper in the journal Atmospheric Chemistry that particularly in Northeastern cities, ozone levels dropped even beyond what was anticipated by cutting emissions of NO x from 2002 to 2006. —Daniel Cohan, co-author. Earlier post.).

Ozone

Green Car Congress

MAY 25, 2011

have developed a simulator able to predict tropospheric ozone concentrations across the whole of South and East Asia. Tropospheric ozone is the main cause of photochemical smog, an atmospheric pollutant harmful to human health and plant growth. Toyota Motor Corporation (TMC) and Toyota Central R&D Labs.,

Ozone

Green Car Congress

NOVEMBER 21, 2011

The decrease in CO 2 equivalent emissions of ODSs (ozone-depleting substances: CFCs, halons, HCFCs, and others) may be offset by the projected increase in their non-ozone depleting substitutes (HFCs) (lines designated as HFC scenarios). Climate and the Ozone Layer. Source: UNEP. Click to enlarge.

Climate

Green Car Congress

FEBRUARY 22, 2011

Black carbon and tropospheric ozone are harmful air pollutants that also contribute to climate change. Reducing black carbon and tropospheric ozone now will slow the rate of climate change within the first half of this century, the study said. Full implementation of these measures would reduce future global warming by 0.5 °C

Ozone

Green Car Congress

FEBRUARY 10, 2013

Among the many climate-related vulnerabilities that can impact its mission, the US Environmental Protection Agency (EPA) cites a likely increase in tropospheric ozone pollution as potentially making it more difficult to attain National Ambient Air Quality Standards ( NAAQS ) in many areas with existing ozone problems.

Climate Change

Green Car Congress

JUNE 26, 2020

The objective of the emission impact analysis was to respond to EPA’s request for comments as to the merits of reducing NO x emissions from heavy-duty trucks by 50 to 90% as outlined in the 6 January 2020 Advance Notice of Proposed Rulemaking (ANPR) of the CTI. Source: MECA. ppb in the west (San Bernardino, CA) and 4.9

Cleaner

Green Car Congress

AUGUST 28, 2009

Comparison of annual N 2 O ODP-weighted emissions from the 1990s with emissions of other ODS in 1987 and in 2008. Even at the height of ODS emissions in the 1980s, annual anthropogenic N 2 O emissions were the fourth most significant. About one-third of global nitrous oxide emissions are from human activities.

Ozone

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. We must consider climate change and air pollution together as we plan for the future. —Dr. Click to enlarge. Nichols, ARB chairman.

Climate Change

Green Car Congress

JULY 18, 2010

Researchers at the University of Colorado, Boulder and the National Renewable Energy Laboratory (NREL) modeled the emissions impact had plug-in hybrid electric vehicles (PHEVs) replaced light duty gasoline vehicles in the Denver, Colorado area in summer 2006. VOC emissions would have been reduced by 57 tpd. For other areas, where PM2.5

Denver

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. This means less of the hydroxyl radical and nitrogen dioxide go away, leading to proportionately more ozone, mostly in polluted areas, Okumura said.

Ozone

Green Car Congress

MARCH 8, 2013

The Volkswagen Group announced that it is choosing CO 2 as the future low global warming potential (GWP) refrigerant for its mobile air conditioning (MAC) systems. R134a replaced CFC-12 as the MAC refrigerant in the early 1990s due to the negative impact of CFCs on the Earth’s ozone layer. Earlier post.).

Future

Green Car Congress

MAY 6, 2022

The coordinated package of regulations will reduce emissions of greenhouse gases and ozone- and smog-causing pollutants from new passenger cars, trucks, and SUVs starting in model year 2026. —New Mexico Environment Department (NMED) Cabinet Secretary James Kenney.

New Mexico

Green Car Congress

DECEMBER 23, 2013

FTP cycle-weighted tailpipe emissions of N 2 O, NO x , and the sum of NMOG and NO x. The minimum in NO x and NMOG emissions for midlevel ethanol blends points to future opportunities for emission reductions from FFVs. Credit: ACS, Hubbard et al. Click to enlarge.

Emissions

Green Car Congress

SEPTEMBER 15, 2020

The US Environmental Protection Agency (EPA), USDepartment of Justice (DOJ), and California Air Resources Board (CARB) announced a proposed settlement with Daimler AG and its American subsidiary Mercedes-Benz USA, LLC resolving alleged violations of the Clean Air Act and California law associated with emissions cheating.

District of Columbia

Green Car Congress

JANUARY 28, 2014

Five technology paths for very-low-NO x and GHG emissions from heavy-duty natural gas engines. The “Pathways to Near-Zero-Emission Natural Gas Heavy Duty Vehicles” report, authored by GNA on behalf of Southern California Gas Co. An 80% reduction of GHG emissions is targeted for 2050, relative to 1990 levels. Click to enlarge.

Gas

Green Car Congress

FEBRUARY 5, 2020

The transportation sector was responsible for over 7 million tons of NO x emissions in the US in 2014, with 50% of this sector’s NO x attributed to heavy-duty on- and off-road vehicles and equipment. NO x is a precursor for both ground level ozone and secondary PM 2.5 Source of data: US EPA (2019). Chart: MECA.

Emissions

Green Car Congress

SEPTEMBER 9, 2012

This continued shorter-term cooling response caused by certain emissions does not negate the necessity for reductions in CO 2 emissions, which are crucial to limiting the long-term warming impact of the sector, the researchers cautioned. of the total anthropogenic CO 2 emissions in that year.

Climate

Green Car Congress

APRIL 29, 2013

In its recently released Inventory of US Greenhouse Gas Emissions and Sinks: 1990 – 2011 ( earlier post ), the US Environmental Protection Agency (EPA) reported that methane (CH 4 ) emissions from the field production of natural gas have declined by 36% from 2007 to 2011 (from 83.1 CH 4 emissions represented 8.8%

2007

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.

Ozone

Green Car Congress

JULY 31, 2019

CSIRO scientists have developed a new way to account for ozone in computer simulations of the climate. This latest modeling shows that the oceans take much less ozone out of the atmosphere than previously thought. Ozone (O 3 ) is formed by reactions of chemicals such as nitrogen oxides and volatile organic compounds—i.e.,

Ozone

Green Car Congress

APRIL 1, 2009

The global market for rocket launches may require more stringent regulation in order to prevent significant damage to Earth’s stratospheric ozone layer in the decades to come, according to a new study by researchers in California and Colorado. Darin Toohey.

Ozone

Green Car Congress

MAY 2, 2016

Regulatory regimes seeking to reduce emissions from transport have largely focused on tailpipe emissions—i.e., 2013 found that the ratio of non-exhaust to exhaust particles is strongly increasing in the last two decades, due to exhaust emission reductions. Further, a 2013 review by Denier van der Gon et al. earlier post ).

Exhaust

Green Car Congress

MAY 17, 2020

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. Deterioration of the ozone layer [kg CFC-11-eq.]. Noise emissions [Person-Pascal/second]. Sample results from Carculator. Depletion of fresh water reserves [m 3 ].

Mariner

Green Car Congress

JULY 11, 2013

Emission standard. Photochemical Ozone Creation Potential (kg Ethene equivalent). Quantifies the production of pollutant ozone (? to ozone layer), the results of the reaction of sunlight on NO x and volatile organic compounds. emissions). emissions). Renault Fluence Models. Diesel Fluence dCi. dCi (66 kW).

Li-ion

Green Car Congress

OCTOBER 2, 2015

proposed strategy for further regulation and reduction of mobile source—cars, trucks, and off-road equipment—emissions. ARB staff developed this strategy using a multi-pollutant scenario planning tool ( Vision 2.0 ) that quantifies changes in ozone and PM 2.5 Vision 2.0 Vision 2.0 Click to enlarge. Passenger vehicles.

Cleaning

Green Car Congress

JUNE 9, 2013

A global phase down of HFCs could potentially reduce some 90 gigatons of CO 2 equivalent by 2050, equal to roughly two years worth of current global greenhouse gas emissions. While they do not deplete the ozone layer, many are highly potent greenhouse gases.

United States

Green Car Congress

OCTOBER 11, 2012

Contributions of regions to total life cycle emissions for three fuels (µg per vehicle-mile traveled per km 2 land area). Dashed lines show US average emissions. Associated tailpipe emissions alone account for 40?60% Credit: ACS, Tessum et al. Click to enlarge. —Tessum et al.

Gasoline

Green Car Congress

JULY 28, 2012

Seasonal ethanol emissions from North America. Emissions for present-day are compared to those for the EISA and All-E85 scenarios. However, the significance of this effect will depend on the size of the emission change compared to that of the existing source fluxes, which are poorly known. Labels at left are months (e.g.,

North America

Green Car Congress

SEPTEMBER 15, 2011

The European Parliament is calling for fast action to reduce non-CO 2 climate forcers including black carbon soot, hydrofluorocarbons (HFCs), methane, and ground-level ozone, which together are responsible for nearly half of climate forcing. Even cutting CO 2 emissions to zero today will not produce cooling for a thousand years.

Climate

Green Car Congress

NOVEMBER 18, 2021

Under the ACT Rule, Oregon requires medium- and heavy-duty vehicle manufacturers to sell zero-emission vehicles as a certain percentage of sales, beginning with the 2025 vehicle model year. In Oregon, heavy-duty trucks and buses are responsible for nearly 23% of total transportation sector greenhouse gas emissions.

Oregon

Green Car Congress

FEBRUARY 19, 2010

Radiative forcing due to perpetual constant year 2000 emissions grouped by sector for 2020 (left) and 2100 (right) showing the contribution from each species. This approach will make it easier to identify sectors for which emission reductions will be most beneficial for climate and those which may produce unintended consequences.”.

Transportation

Green Car Congress

MARCH 18, 2019

A longer service life reduces the fleet’s turnover rate to cleaner, lower-emitting engines, therefore increasing future-year emission estimates. Since real-world workboat engines are operating with longer lifespans, the actual nitrogen oxide emission reductions are 52 percent weaker than predicted in EPA’s 2008 Rule calculations.

Mariner

Green Car Congress

APRIL 13, 2014

Decomposition of the decadal change in total global CO 2 emissions from fossil fuel combustion by four driving factors; population, income (GDP) per capita, energy intensity of GDP and carbon intensity of energy. Total anthropogenic GHG emissions were the highest in human history from 2000 to 2010 and reached 49 (±4.5) IPCC WG III.

Emissions

Green Car Congress

NOVEMBER 11, 2018

They found that exposure to pollutants such as ground-level ozone and nitrogen oxides, which are created from burning fossil fuels, led to increased ED visits. ozone and sulfate) origin and cardiorespiratory emergency department (ED) visits for 8 specific outcomes in five U.S. nitrogen oxides) and secondary (e.g. Krall, Howard H.

Pollution

Green Car Congress

AUGUST 2, 2012

Following this BAU scenario, the researchers projected that air quality for the global average citizen in 2050 would be almost comparable to that for the average citizen in East Asia in the year 2005—an outcome which underscores the need to pursue emission reductions, according to the authors. Resources. Zimmermann, U.M. Doering, J.

India