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In early 2020, UK-based independent testing firm Emissions Analytics published a study claiming that tire particulate wear emissions were 1,000 times worse than exhaust emissions ( earlier post ). —Emissions Analytics. Quoting such ratios, however, needs careful interpretation.
The US Environmental Protection Agency (EPA) reinstated California’s authority under the Clean Air Act to implement its own greenhouse gas (GHG) emission standards and zero emission vehicle (ZEV) sales mandate.
A study by European researchers has found that two-stroke (2S) scooters, although constituting a small fraction of the fleet, can dominate urban vehicular pollution through organic aerosol and aromatic emission factors up to thousands of times higher than from other vehicle classes. Click to enlarge.
The European Commission has begun work aimed at post-Euro 6 emission standards for on-road vehicles. The paper highlights issues and limitations of the current standards; compares them to current and future regulations in other parts of the world; and makes policy recommendations for light-duty post-Euro 6 standards.
On 18 August 2020, $27 million in funding will be available in California to replace higher polluting trucks with zero-emission vehicles. Existing vehicles must be engine model years 1992 to 2012, in compliance with all applicable regulations, and scrapped in exchange for a zero-emission replacement vehicle.
Original map from Minnesota Pollution Control Agency. The policy will implement two clean cars standards to reduce vehicle emissions. The low-emission vehicle (LEV) standard requires vehicle manufacturers to deliver passenger cars, trucks, and SUVs that produce lower greenhouse gas emissions and other pollutants for sale in Minnesota.
Members of the European Parliament’s Environment, Public Health and Food Safety Committee approved a draft law setting out rules for achieving a 147 g CO 2 /km (235 g/mile) target for new light commercial vehicles by 2020, down from 203 g/km (325 g/mile) today—i.e., Climate Change Emissions Europe Fuel Efficiency Policy'
The US Environmental Protection Agency (EPA) announced two new proposed federal emissions standards spanning light-, medium- and heavy-duty vehicles for model year 2027 and beyond. The light-duty vehicle category includes passenger cars and light trucks consistent with previous EPA criteria pollutant and GHG rules.
The California Air Resources Board has approved a multi-pronged regulation that will significantly reduce NO x emissions from heavy-duty diesel trucks. These trucks often idle, move slowly and make frequent stops—all actions that increase NO x emissions. —CARB Chair Mary D.
Black carbon (BC) from incomplete biomass and fossil fuel combustion is the most strongly light-absorbing component of particulate matter (PM) air pollution and a major climate-forcing emission. We wanted to identify the pollution sources that most impact human health to help inform these pollution control efforts.
The funds will support the deployment of thousands of zero-emission trucks, school buses and transit buses to deliver clean air benefits to communities hit hardest by the impacts of pollution from medium- and heavy-duty vehicles. 900 million for light-duty EV charging infrastructure. The newly approved plan includes: $1.7
Since the 1980s, air pollution has increased worldwide, but it has increased at a much faster pace in regions close to the equator. They found that the increase in ozone burden due to the spatial distribution change slightly exceeds the combined influences of the increased emission magnitude and global methane.
I recently read a brilliant book, Malcolm Gladwells, Revenge of the Tipping Point that alerted me to the fact that just five per cent of the passenger vehicles on the road produce more than half of all the pollution in the air. Pollution would drop by the same amount as the 10 per cent shift. Ford Falcon.
Testing of two popular Euro 6d-temp diesels by Ricardo, commissioned by the environmental NGO Transport & Environment (T&E), has found that the periodic regeneration of diesel particulate filters (DPFs) in the light-duty vehicles can generate spikes of particulate emissions of more than 1,000 times the normal rate.
It is the only diesel engine operating on the road capable of meeting CARB’s 2027 regulation, which requires a 90% reduction in emissions of NO x compared to current standards. The catalyst light-off mode delivers the capability that allows Achates to manage extremely low engine-out NO x and also very high exhaust gas temperatures.
Based on on-road measurements in their study, a team from the University of California Berkeley has estimated that, as of 2010, light-duty (LD) gasoline vehicles were responsible for 85% of CO; 18% of NO x ; 18% of organic aerosol (OA); and 6% of black carbon (BC) emissions from on-road motor vehicles in the United States.
Researchers at Chalmers University of Technology, Sweden, have developed a small, optical nano-sensor for pollution detection which can be mounted onto an ordinary streetlight. It arises when metal nanoparticles are illuminated and absorb light of certain wavelengths. A collaboration with the University of Sheffield is also underway.
The California Air Resources Board approved a measure that will require most newly manufactured small off-road engines (SORE) such as those found in leaf blowers, lawn mowers and other equipment be zero emission starting in 2024. Despite their small size, these engines are highly polluting.
In-use testing of three light duty diesel vehicles—certified to US-EPA Tier2-Bin5 and California LEV-II ULEV emissions limits— found a wide variation in real world emissions performance relative to the regulatory limits. diesels and one 3.0L diesel) over pre-defined test routes exhibiting diverse driving conditions.
The US Environmental Protection Agency (EPA) released a proposed rulemaking for model year 2023-2026 light-duty vehicle greenhouse gas emissions standards, and outlined its plans to initiate a subsequent rulemaking to set standards for MY 2027 and beyond, to speed the transition of the light-duty vehicle fleet toward a zero emissions future.
The objective of POWERFUl was to design engines for light-duty urban and micro-urban vehicles (segment A and B), capable of reducing CO 2 and criteria pollutantemissions. Diesel Emissions Engines Fuel Efficiency' 2013.03.050.
The US Environmental Protection Agency (EPA) and the US Department of Transportation (DOT) formally unveiled their joint proposal to set stronger fuel economy and greenhouse gas pollution standards for Model Year 2017-2025 passenger cars and light trucks. mpg US (5.87 L/100km) in model year 2021, and 49.6 L/100km) in model year 2025.
The Colorado Air Quality Control Commission adopted a zero-emission vehicle (ZEV) standard for Colorado early today in an 8-1 decision. The new zero-emission standard adopts California ZEV requirements, with automakers to sell more than 5% zero-emission vehicles by 2023 and more than 6% zero-emission vehicles by 2025.
However, emissions do not just remain in conurbations; particles and gaseous pollutants can be transported thousands of kilometers by the wind. The aim is to better understand and predict the extent and impact of urban air pollution on Earth’s atmosphere. HALO in-hangar in Taiwan.
Poorly timed traffic lights are adding to emissions. The GMC Hummer EV isn’t a truck for EV fans, but it’s even better than we expected off-road. And Porsche invests more in synthetic fuels. This and more, here at Green Car Reports. We drove the 2022 GMC Hummer EV last week in Arizona.
The California Energy Commission (CEC) approved a $95-million plan for critical clean transportation investments to expedite the adoption of zero-emission vehicles (ZEVs) and help the state reach its climate, air quality and other goals. million for ZEVs, as well as zero-emission infrastructure and related workforce development.
The US Environmental Protection Agency (EPA) Administrator Scott Pruitt announced the completion of the Midterm Evaluation (MTE) process for the greenhouse gas (GHG) emissions standards for cars and light trucks for model years 2022-2025, and his final determination that the current standards are not appropriate and should be revised.
The Colorado Energy Office (CEO), a non-regulatory department within the Governor’s Office focused on reducing greenhouse gas emissions by advancing clean energy, energy efficiency and zero emission vehicles, has released the Colorado Electric Vehicle Plan 2020. This will require maintaining 50% plus annual growth rates.
Geiger and Alberto Salvo, formerly with Northwestern’s Kellogg School of Management and now an associate professor of economics at the National University of Singapore, is the first real-world trial looking at the effects of human behavior at the pump on urban air pollution. Behavior Brazil Emissions Ethanol Fuels'
Laser ignition promises less pollution and greater fuel efficiency, but making small, powerful lasers has proven difficult. To ignite combustion, a laser must focus light to approximately 100 gigawatts per square centimeter with short pulses of more than 10 millijoules each. Laser ignition.
King County Metro, the public transit authority of King County, Washington, which includes the city of Seattle, will soon begin testing long-range battery-powered buses that can travel more than 140 miles on a single charge, the latest milestone toward a zero-emission fleet.
Corning Incorporated has boosted its light-duty vehicle filter capacity at its manufacturing facility in Kaiserslautern, Germany for both gasoline and diesel engined vehicles. Diesel vehicle manufacturers are striving for greater engine performance and fuel economy while meeting Euro 6 emissions standards under a myriad of driving conditions.
Projects will work to lower emissions by leading the expansion of EV charging stations to facilitate the transition from fossil fuel-powered vehicles to electric vehicles. Simultaneous Greenhouse Gas and Criteria PollutantsEmissions Reduction for Off-Road Powertrains. DE-FOA-0002475, earlier post.). Project Description.
The mode of travel you take on your daily work commute can make a big difference in your exposure to air pollution, according to a new study by researchers at the California Air Resources Board (ARB). Commute modes included travel by car, bus, light rail, train, and bicycle.
Different chemical structures absorb light at specific wavelengths, producing unique spectral fingerprints. The FTIR monitors pollutants, while the mass spectrometer detects hydrogen, oxygen and dinitrogen formation, providing data to build comprehensive scientific models of the catalyst. —Grant Seuser.
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.
As part of that effort, the leaders committed to reduce greenhouse gas (GHG) emissions from light- and heavy-duty vehicles by aligning fuel efficiency and/or GHG emission standards out to 2025 and 2027, respectively. Short-lived climate pollutants. 50% clean power target.
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. CO 2 and NO x certification test data for heavy-duty diesel engines certified from 2002 through 2019. Source of data: US EPA (2019).
The researchers assessed the gaseous, particulate, and genotoxic pollutants from two current technology gasoline direct injection vehicles when tested in their original configuration and with a catalyzed gasoline particulate filter (GPF). Their study is publishedin the ACS journal Environmental Science & Technology. Yang et al.
Traffic is a major source of harmful pollutants; daily peak exposures tend to occur near roadways or while traveling—or being stuck—on them. That gave them rare, real-world look at pollutant exposure. With windows closed, the pollutants took longer to enter the vehicle cabin, but also longer to exit it.
The provincial government has put British Columbia on a path to require the sale of all new light-duty cars and trucks to be zero-emission vehicles (ZEVs) by the year 2040. The government will introduce legislation next spring to phase in targets for the sale of zero-emission vehicles (ZEVs). —Premier Horgan.
By shifting the biggest gasoline users into ZEVs first, AB 2816 also reduces the total number of ZEVs that would be needed to reach the state’s near-term target of cutting light-duty vehicle emissions in half by 2030. Light duty vehicles cause 28% of California’s total carbon emissions and pollute the air near freeways and busy roads.
Arrival’s zero-emission Van is purposefully designed to be an environmentally sustainable and economically efficient commercial electric vehicle, compared to traditional Vans. The rapid growth of e-commerce has led to an increase in demand for light commercial transport in cities, increasing both congestion and pollution.
A new report on pollution, economic growth, and renewable energy in California sheds new light on the link between emissions regulations and economic growth ahead of the Global Climate Action Summit in San Francisco next month.
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