Green Car Congress

MAY 27, 2020

SwRI developed the technology for the California Air Resources Board (CARB). Created to address California’s pollution challenges, this technology could be a solution for communities around the globe dealing with the effects of NO x. Making a relevant impact on pollutants requires a whole system approach. and Rao, S.

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Engine Emissions Diesel 2020 545

Green Car Congress

AUGUST 28, 2020

The California Air Resources Board approved a new regulation designed to reduce pollution further from ocean-going vessels while docked at California’s busiest ports. The rule builds on progress achieved by the At-Berth Regulation adopted in 2007.

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Pollution California Los Angeles Long Beach 305

Green Car Congress

DECEMBER 18, 2020

These results were achieved with a conventional, underfloor-only, single Diesel Exhaust Fluid (DEF) injection aftertreatment system, which makes the whole powertrain system less complex and less expensive, and reduces the risk of non-compliance with emissions regulations. Earlier post.).

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EPA Diesel Emissions San Diego 508

Green Car Congress

MARCH 3, 2012

Contrary to expectations, exhaust from gasoline vehicles contributes more to the production of secondary organic aerosols (SOA) than exhaust from diesel vehicles, according to a new study by scientists from the Cooperative Institute for Research in Environmental Sciences (CIRES), NOAA’s Earth System Research Laboratory (ESRL) and other colleagues.

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Exhaust Gasoline Diesel Los Angeles 231

Green Car Congress

MAY 30, 2019

New York City Clean Air Taxi rules are successful in cutting emissions and reducing air pollution, [link] to a new study by researchers at the Columbia University Mailman School of Public Health and Drexel University. exhaust emissions declined by 82% and 49%, respectively. Dustin Fry, Marianthi-Anna Kioumourtzoglou, Christian A.

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Taxi Pollution Cleaning Clean 249

Green Car Congress

OCTOBER 5, 2020

These clusters are more reactive than the single atoms and, hence, exhaust gases can be much better removed. Among others, they are applied in nearly all combustion processes to reduce pollutant emissions. To convert pollutants, they usually have to react with oxygen in the catalyst. The results are reported in Nature Catalysis.

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Kits Exhaust Pollution Polymer 259

Green Car Congress

NOVEMBER 30, 2018

A team at the University of Stirling in the UK has found new evidence of the link between air pollution and cancer as part of a new occupational health study. This new research indicates the role of traffic-related air pollution in contributing to the increasing incidence of breast cancer in the general population.

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Pollution North America Detroit Exhaust 255

Green Car Congress

AUGUST 11, 2020

The California Air Resources Board will consider the proposed Heavy-Duty Low NO x Omnibus Regulation on 27 August 2020. The proposed regulation is intended to ensure reductions in smog-forming NO x and protect communities most impacted by air pollution. On-road heavy-duty vehicles are an essential part of the state’s economy.

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Emissions Standards Exhaust California 468

Green Car Congress

AUGUST 17, 2012

Under laboratory-simulated diesel exhaust conditions, this mixed-phase oxide material was superior to Pt in terms of cost, thermal durability, and catalytic activity for NO oxidation. Mullite is not only easier to produce than platinum, but also better at reducing pollution in diesel engines. Kyeongjae Cho.

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Exhaust Diesel Dallas Conversion 240

Green Car Congress

APRIL 7, 2022

liter, heavy-duty opposed-piston, three-cylinder diesel engine it developed in a project funded by the California Air Resources Board (CARB) and several partners ( earlier post ) has entered fleet service with WALMART Corporation in a Peterbilt 579 tractor. Achates Power announced that the 10.6-liter,

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Diesel Fleet Peterbilt Eaton 468

Green Car Congress

JULY 11, 2011

A UCLA study of the performance of retrofit systems for diesel-powered school buses has found that while the systems significantly lowered tailpipe emissions, there was no unequivocal decrease for in-cabin air pollutants after retrofitting. In-cabin filtration might be a short-to-medium term alternative strategy to protect children’s health.

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Pollution Emissions Diesel Exhaust 259

Green Car Congress

OCTOBER 20, 2012

They found that the level of emissions of regulated and unregulated pollutants in diesel exhaust depends on fuel, load, engine calibration, and exhaust aftertreatment technology. Unregulated pollutants also include ozone precursors and bioaccumulative and toxic compounds. L) and medium-duty (6.4 —Chin et al.

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Pollution Diesel Emissions Engine 231

Green Car Congress

OCTOBER 8, 2014

-alumina supports along with a small amount of lanthanum oxide can efficiently turn the carbon monoxide in automotive exhaust into carbon dioxide at temperatures as low as 40 ?Celsius, Most of the pollutants from a modern automobile are emitted during the first 30 seconds of starting a car, when the catalyst is still being warmed.

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Exhaust Convert New Mexico F-150 218

Green Car Congress

NOVEMBER 16, 2021

In 2020, independent global emissions testing company Emissions Analytics reported that pollution from tire wear can be 1,000 times worse than what comes out of a car’s exhaust. Earlier post.) NEEs are currently believed to constitute the majority of primary particulate matter from road transport, according to Emissions Analytics.

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Standards Manufacturer Exhaust Emissions 418

Green Car Congress

NOVEMBER 22, 2009

Air pollution may pose an important but largely overlooked health concern for people living near smaller regional airports, according to a new study published in the ACS journal Environmental Science & Technology. Aircraft exhaust includes pollutants linked to a variety of health problems. ” Resources.

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Pollution Neighborhood 2008 Exhaust 199

Green Car Congress

JANUARY 27, 2020

A new study suggests that significant early childhood exposure to traffic-related air pollution (TRAP) is associated with structural changes in the brain at the age of 12. 2020) “Reduced gray matter volume and cortical thickness associated with traffic-related air pollution in a longitudinally studied pediatric cohort.” 0228092.

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Pollution Exhaust Carbon 2020 243

Green Car Congress

DECEMBER 25, 2019

Among pollutants that are less than 2.5 microns in diameter (PM2.5 ), airborne sulfate is one of the most common components of hazy air pollution formed atmospherically via the oxidation of sulfur dioxide (SO 2 ). Dense, hazy fog episodes characterized by relatively high humidity, low visibility and extremely high PM 2.5

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Pollution Environment Emissions Coal 225

Green Car Congress

MAY 23, 2017

Researchers at Imperial College London, working with colleagues from King’s College London and University of British Columbia, have demonstrated a mechanism by which diesel exhaust particles directly affect the lungs to initiate symptoms such as a tightening of the airways and cough.

Exhaust 170

Exhaust Diesel Pollution Guinea 170

Green Car Congress

SEPTEMBER 11, 2018

Researchers found that air pollution levels right beside a major trucking route within a city were close to levels seen beside Highway 401, despite the road carrying less than one-tenth of the vehicle traffic. Research consistently links traffic emissions to negative effects on both the environment and human health. Jonathan M. 8b01914.

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Pollution Canada Carbon Climate Change 231

Green Car Congress

JULY 15, 2019

Solid CFDNPs in air pollution are characterized by the abundant presence of strongly magnetic, iron-rich particles which condense and/or oxidize upon airborne release, often retaining a rounded or spherical shape as they cool. annual air quality standard of 12 ? —Calderón-Garcidueñas et al. Cross, Imad A.M. Ahmed, Vassil V.

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Pollution Mexico Standards Exhaust 236

Green Car Congress

APRIL 25, 2023

In an open access paper in the Journal of Wind Engineering and Industrial Aerodynamics , researchers at the University of Surrey (UK) have investigated the effect of group riding on cyclists’ exposure to vehicle pollutants. —Schmeer et al. With more wind, riding towards the back of the group can be a good strategy to minimize exposure.

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Pollution Wind London Emissions 199

Green Car Congress

JANUARY 15, 2012

The transient results illustrate the gradual formation of the nucleation mode particles with continuous increase in exhaust temperatures. Diesel particulate filters (DPF) and urea-based selective catalytic reduction (SCR) exhaust after-treatment systems thus have emerged as feasible strategies to meet the 2010 USEPA regulations.

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Exhaust Diesel West Virginia 2007 218

Green Car Congress

DECEMBER 15, 2017

To improve fuel efficiency, advanced combustion engines are being designed to minimize the amount of waste heat in the exhaust. As a result, future generations of exhaust after-treatment catalysts must perform at temperatures that are 100 °C lower than current catalysts. Resources. —Nie et al.

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Exhaust New Mexico Mexico Washington 150

Green Car Congress

FEBRUARY 27, 2023

A new briefing paper from Imperial College London estimates that in 2021, 52% of all small particle pollution from road transport came from tires and brakes. Tire wear particles pollute the environment, the air we breathe, the water run-off from roads and has compounding effects on waterways and agriculture.

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Pollution Transportation London Environment 243

Green Car Congress

JUNE 8, 2023

A fleet average nonfuel nonexhaust VOC emission factor of 58 ± 39 mg veh –1 km –1 was calculated for the missing source, which is greater than the total of all VOCs emitted from vehicle exhausts and their associated evaporative fuel losses. While some VOCs are released in exhaust, others may arise from an unexpected source—e.g.,

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Emissions Exhaust Cars Ozone 397

Green Car Congress

JULY 21, 2023

A new study by researchers from Washington State University and SLAC National Accelerator Laboratory has found that a catalyst using a single or just a few palladium atoms removed 90% of unburned methane from natural gas engine exhaust at low temperatures. The work is published in the journal Nature Catalysis.

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Exhaust Engine Gas Carbon 195

Green Car Congress

JANUARY 2, 2019

Overall, this study provides valuable insights on the impacts of ethanol content and gasoline composition on the exhaust emissions from a current technology GDI FFV. Their paper is published in the ACS journal Energy & Fuels. —Yang et al. Jiacheng Yang, Patrick Roth, Thomas D. Durbin, Kent C. Johnson, Akua Asa-Awuku, David R.

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Pollution Fuel Emissions Vehicles 255

Green Car Congress

NOVEMBER 1, 2019

Long-term residential exposure to locally emitted black carbon (BC) from traffic exhaust increases the risk of stroke even in low-pollution environments, according to a study by researchers at Karolinska Institutet and other universities in Sweden. g/m 3 ) of black carbon from traffic exhaust, the risk of stroke increased by 4%.

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Exhaust Carbon Pollution Universal 170

Green Car Congress

OCTOBER 3, 2010

A team from the US National Renewable Energy Laboratory and the Colorado School of Mines has measured gas phase and particle-associated non-regulated pollutant emissions from a heavy-duty engine operating both with and without a catalyzed DPF and operating on biodiesel fuel. Formaldehyde emissions were increased by the DPF for ULSD and B20.

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Pollution Engine Ireland 2002 210

Green Car Congress

DECEMBER 14, 2020

Wear and tear from brakes, tires and road surfaces will soon overtake car exhaust fumes as the leading source of fine particles released into the air by road traffic, according to a new OECD report. Heavy electric vehicles with long-distance batteries could compound the problem even as they slash emissions from engine exhaust.

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Exhaust Parts Emissions Transportation 300

Green Car Congress

MAY 7, 2021

The company is one of the first wholesalers to utilize the technology and comes as the California Air Resources Board (CARB) announced plans in January to impose zero-emission requirements on TRUs sold or operated in California by 31 December 2029. United Natural Foods, Inc. distribution center.

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All-Electric Fleet California Lithium Ion 435

Green Car Congress

AUGUST 20, 2018

Babies in strollers can be exposed to up to ~60% higher average concentrations of pollution than their parents, causing potential damage to their frontal lobe and impacting on their cognitive abilities and brain development, according to a study by researchers at the University of Surrey (UK).

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Pollution Cleaning Clean Environment 199

Green Car Congress

MAY 25, 2010

The researchers found that while EVs do offer a very promising solution to energy issues due to their replacement of petroleum fuels, for now “ the high pollution levels of coal-fired power plants will trade off EVs’ potential energy benefits in China ”. Gasoline vehicle exhausts contribute very little to total national SO 2 emission (0.2%

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Coal Gasoline-Electric Gasoline Pollution 291

Green Car Congress

DECEMBER 6, 2021

New emissions regulations spearheaded by the California Air Resources Board (CARB), U.S. These agencies, in concert with other national and international regulators, seek to significantly reduce greenhouse gas (GHG) emissions and harmful air pollutants produced primarily by heavy-duty trucks, vans and buses.

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Eaton Emissions Commercial Exhaust 221

Green Car Congress

AUGUST 14, 2023

The engine was also equipped with an electrically driven volumetric pump in the exhaust gas recirculation (EGR) path which gives the freedom to set any desired EGR rate, independently from the pressure ratios across the turbocharger. The common rail pump was externally lubricated by engine oil so that it can handle the low fuel lubricity.

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Engine Emissions Diesel Fuel 368

Green Car Congress

DECEMBER 4, 2013

For a number of the most important pollutants, levels were substantially lower than required by regulations. They were tested on multiple repeats of these cycles, and measurements of more than 300 regulated and unregulated air pollutants were made in accordance with the highest laboratory standards. Background. g/hp-hr in 2010.

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Diesel Emissions 2004 San Antonio 296

Green Car Congress

JULY 17, 2017

Ozone is formed through a chemical reaction that occurs when sunlight interacts with nitrogen oxides and other organic compounds that are generated by coal-burning, vehicle exhaust and some natural sources. They monitored indoor and outdoor ozone levels, along with other pollutants. 2017.2842.

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Ozone Pollution Connect Connected 170