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Uber is adding more polluting car trips to already-clogged European cities such as London and Paris, new analysis by European NGOs suggests —contributing to air pollution and climate change and exploding the company’s sustainability claims. Source: “Europe’s giant ‘taxi’ company: is Uber part of the problem or the solution?”.
Southwest Research Institute engineers have developed the next generation of clean diesel engine technology to reduce hazardous nitrogen oxides (NO x ) and carbon dioxide emissions while minimizing fuel consumption. g/hp-hr NO x emissions). Making a relevant impact on pollutants requires a whole system approach.
Urban planners should plant hedges—or a combination of trees with hedges—rather than just relying on roadside trees if they are most effectively to reduce pollution exposure from cars in near-road environments, according to a new study from the University of Surrey.
CO 2 emissions from private jets in Europe increased by nearly a third (31%) between 2005 and 2019, rising faster than commercial aviation emissions, according to a new report from environmental campaign group Transport & Environment (T&E). The report, Private jets: can the super-rich supercharge zero emission aviation?
In the UK, increasing pressure to reduce the impact of pollution from vehicles has led to growing interest in the introduction of Clean Air Zones and Low Emission Zones. To address this need, Ricardo Energy & Environment, working with technology partner OPUS Inspection, has launched a real-world vehicle emissions monitoring service.
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.
By disrupting normal societal activities such as driving, COVID-19 lockdowns afforded a unique opportunity to study their impacts on the environment. On a national or global scale, most NH 3 pollution comes from agricultural sources, such as livestock manure. The team analyzed satellite readings of NH 3 , as well as NO 2. 1c00730.
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.
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'
A “well-to-wheel” life cycle assessment (LCA) by a team from synthetic fuels producer Greyrock ( earlier post ), and the National Renewable Energy Laboratory (NREL) has determined the potential reduction of greenhouse gases and criteria pollutantemissions from the use of synthetic fuels directly converted from flare gas. 0.37, 42.4,
Jacobson, professor of civil and environmental engineering at Stanford University, suggests that carbon capture technologies are inefficient and increase air pollution. However, this research finds that it reduces only a small fraction of carbon emissions, and it usually increases air pollution. —Mark Jacobson.
According to an independent study by the International Institute for Applied Systems Analysis (IIASA) and the Council on Energy, Environment, and Water (CEEW), more than 674 million Indian citizens are likely to breathe air with high concentrations of PM 2.5 The program focuses on 102 polluted Indian cities and aims to reduce PM 2.5
Through extensive tests in its lab CARB discovered that this equipment did not meet the evaporative control emission standards that Honda had originally agreed to during the certification process. These credits can then be used for certification purposes to offset emissions on future products.
A study by researchers led by a team from the Air Health Science Division of Health Canada (the Federal department responsible for helping Canadians maintain and improve their health) finds that commuters may be exposed to increased levels of traffic-related air pollution owing to close proximity to traffic-emissions. In-vehicle PM 2.5
On this basis, and of Pareto efficiency, Emissions Analytics argues, until battery-electric vehicles can reach certain performance characteristics, government and industry support should switch immediately from EVs to full hybrids to create maximum welfare. Every air pollutant is more than 90% its limit.
A new study led by University of Chicago researchers finds an association between exposure to environmental pollution and an increase in the prevalence of neuropsychiatric disorders. Our studies in the United States and Denmark show that living in polluted areas, especially early in life, is predictive of mental disorders.
People continuously exposed to air pollution are at increased risk of dementia, especially if they also suffer from cardiovascular diseases, according to a study at Karolinska Institutet in Sweden published in the journal JAMA Neurology. The annual average level of particulate matter 2.5 —Giulia Grande. Giulia Grande, Petter L.S.
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. Despite this, research on the environmental and health impacts of tire wear has been neglected in comparison to the research and innovations dedicated to tackling fuel emissions.
A two-year study led by researchers at the University of Toronto has found large trucks to be the greatest contributors to black carbon emissions close to major roadways. The difference between emission levels across the sites was more correlated with the number of large trucks on the road rather than number of cars. 8b01914.
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.
The European Commission presented its proposal for Euro 7 standards to reduce air pollution from new motor vehicles sold in the EU. While CO 2 emission rules will drive the deployment of zero-emission vehicles, it is important to ensure that all vehicles on European roads are much cleaner, the EC said.
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 ). The policymakers should pay attention to when they try to control the emission of NO x. —Prof.
Specifically, FCA US purposely calibrated the emissions control systems on the subject vehicles to produce less NO x emissions during the federal test procedures than when the vehicles were being driven by FCA US’ customers under normal driving conditions. liter diesel program’s goals, timing, and marketing strategy. Wyse of the U.S.
A new report released by the Air Quality Expert Group ( AQEG ) in the UK recommends as an immediate priority that non-exhaust emissions (NEE) are recognized as a source of ambient concentrations of airborne PM, even for vehicles with zero exhaust emissions of particles. and PM 10 emissions. UK emissions of PM 10 (top) and PM 2.5
A new report from the European Environment Agency (EEA) warns that the health of Europe’s most vulnerable citizens remains disproportionately affected by environmental hazards such as air and noise pollution and extreme temperatures, especially in Europe’s eastern and southern regions, despite overall improvements in Europe’s environmental quality.
all while demonstrating exceptional drivability, quiet operation, and zero harmful emissions. This is an important step in the transition to emissions-free heavy-duty trucks. Reducing airborne pollution at the Ports of L.A. —Andrew Lund, chief engineer, Toyota Motor North America Research and Development.
Among the major pollutants, nitrogen oxide (NO x ) accumulation can cause severe respiratory diseases and imbalance in the Earth’s nitrogen cycle. However, such a harshly acidic environment rapidly degrades the catalyst, limiting the reaction. An open-access paper on the work is published in Nature Communications.
SensorComm Technologies received an award through the CASCADE Innovation Program, managed by Coachella Valley Economic Partnership (“CVEP”), to conduct an Internet of Things-based (IoT) emissions monitoring pilot program within the Coachella Valley in Southern California. Global rollout is underway.
Researchers from Surrey’s Global Center for Clean Air Research (GCARE) in the UK have investigated the amount of harmful air pollutants babies potentially inhale while out in a stroller with their parents or caretakers. An open-access paper on their work is published in Environment International. Environment International.
A study led by environmental health scientists at Columbia University Mailman School of Public Health examined the release of vapors from gasoline station vent pipes, and found benzene emissions were 10 times higher than estimates used in setback regulations that determine how close schools, playgrounds, and parks can be to the facilities.
An in-house study by environmental NGO Transport & Environment (T&E) has found that the luxury cruise brands owned by Carnival Corporation & PLC emitted in 2017 in European seas alone 10 times more SO x than all of Europe’s 260+ million passenger vehicles. million passenger vehicles in a year.
The battery-electric locomotive is expected to reduce the environmental impact from emissions along the route in an efficient manner, while improving the fuel economy for the entire consist by at least 10%. When running on the mainline, both the battery-electric and diesel locomotives will power the train.
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.
Countries seeking to meet Paris Agreement targets on CO 2 emissions must get a grip on the amount of pollution produced at city level, according to a new open-access study published in S cience Advances by an international team of researchers from Europe and China. Total CO 2 emissions of 182 Chinese cities. Shan et al.
A new study by the International Council on Clean Transportation (ICCT) estimates heavy fuel oil (HFO) use, HFO carriage, the use and carriage of other fuels, black carbon (BC) emissions, and emissions of other air and climate pollutants for the year 2015, with projections to 2020 and 2025. Click to enlarge. —Comer et al.
The $461,000-project, titled “Heterogeneous Aging Mechanisms of Combustion and Biomass Burning Emissions,” will focus on how gases, such as ozone, react with pollutants emitted from power plants and forest fires. Both types of emissions cause tiny particles to be suspended in air. —Prof. —Prof.
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.
The use of electric buses on urban routes reduced the emissions of pollutants into the air of Moscow by 40 thousand tons in 2020. Replacing one diesel bus with an electric bus reduces CO 2 emissions into the environment by 60.7 By the end of 2021 there will be 1000 electric buses on duty. tons per year.
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. Eutrophication of non-marine aquatic environments [kg N-eq.]. Eutrophication of non-marine aquatic environments [kg P-eq.]. Noise emissions [Person-Pascal/second].
Cornell engineers have developed machine learning models to simplify and reinforce models to calculate the fine particulate matter (PM 2.5 ) contained in urban air pollution. Previous methods to gauge air pollution were cumbersome and reliant on extraordinary amounts of data points. MRE for the single hidden layer model, the 63.2%
Three of the most popular plug-in hybrids in 2020 all emitted more CO 2 than advertised when tested in the real world, according to tests commissioned by European environmental NGO Transport & Environment (T&E). Our tests show that even in optimal conditions, with a full battery, the cars pollute more than advertised.
The shift to electric mobility is in line with ongoing efforts to reduce the world’s dependence on fossil fuels, and reduce harmful greenhouse gas emissions responsible for climate change. It has also contributed to environment degradation, landscape damage and soil contamination, groundwater depletion and pollution.
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. NEEs are currently believed to constitute the majority of primary particulate matter from road transport, according to Emissions Analytics.
An anti-pollution helmet developed by a Delhi-based startup can help 2-wheeler riders breathe cleaner air. kg helmet ensures exposure reduction by more than 80% as measured using a controlled environment. For the next version, Shellios will tie up with top tier-2-wheeler OEMs for the commercialization of the anti-pollution helmet.
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