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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?”.
A new NOAA study covering four decades of tropical cyclones found that reducing particulate air pollution in Europe and North America has contributed to an increase in the number of tropical cyclones in the North Atlantic basin and a decrease in the number of these storms in the Southern Hemisphere. Credit: NOAA.
The US Environmental Protection Agency (EPA) has granted petitions to add 1-bromopropane (1-BP) to the list of hazardous air pollutants regulated under the Clean Air Act (CAA). This is the first time since 1990 that EPA has granted a petition to add a hazardous air pollutant to the CAA.
pollution was significantly associated with an increased risk of hospital admissions for several neurological disorders, including Parkinson’s disease, Alzheimer’s disease, and other dementias, in a long-term study of more than 63 million older US adults, led by researchers at Harvard T.H. Chan School of Public Health.
Researchers now report in ACS’ Environmental Science & Technology Letters that satellite data from before and during the spring 2020 lockdown in Los Angeles shows that vehicles, rather than agriculture, are the main source of urban airborne ammonia (NH 3 ), which forms small particles that contribute to air pollution and harm human health.
The reasons were two-fold: (i) increased air pollution led to households staying indoors more to mitigate the pollution impact; and (ii) PM 2.5 pollution led to the closing of windows, and running of air-conditioners and air purifiers more intensively either to reduce indoor particle levels or provide relief from indoor heat.
A new study now finds that asphalt is a significant source of air pollutants in urban areas, especially on hot and sunny days. Yale researchers found that common road and roofing asphalts produced complex mixtures of organic compounds, including hazardous pollutants, in a range of typical temperature and solar conditions.
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 ).
A team of researchers from the University of California, Berkeley; University of North Carolina, Chapel Hill; and University of Miami has analyzed the implications of California’s Clean Vehicle Rebate Project (CVRP) for emissions of greenhouse gases and criteria air pollutants, both in aggregate and in their distribution. Mejia-Duwan et al.
Among the major pollutants, nitrogen oxide (NO x ) accumulation can cause severe respiratory diseases and imbalance in the Earth’s nitrogen cycle. Researchers from Korea and France have shown that iron–nitrogen-doped carbon is an efficient and durable electrocatalyst for selective nitric oxide reduction into hydroxylamine.
million) in UK Government funding through the ATI Program to deliver a breakthrough 19-seat hydrogen-electric powered aircraft that is market-ready by 2023: the HyFlyer II project. HyFlyer II will build on this success by bringing to market the first hydrogen-electric powertrain suitable for aircraft of up to 19-seats by 2023.
The 2022 amendments will require a variety of actions designed to reduce the pollution these units produce, and accelerate their transition to zero-emission technologies. The California Air Resources Board (CARB) approved amendments to its current rule for Transport Refrigeration Units (TRUs) operating in the state. road engines.
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.
EPA says that the proposed limits and guidelines would require ambitious reductions in carbon pollution based on proven and cost-effective control technologies that can be applied directly to power plants. They also provide owners and operators of power plants with lead time and compliance flexibilities.
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.
A study by three French institutes—Ifremer, the University of Bordeaux and the IRD (a public research institution)—has found that the surface water of the Atlantic Ocean is twice as polluted by cellulose fibers as it is by microplastics. There’s a pile of information doing the rounds about the pollution of the oceans.
The California Air Resources Board last week approved the final proposed 2022 Scoping Plan ( earlier post ), a roadmap to reduce demand for petroleum by 94%, cut air pollution by 71%, reduce greenhouse gas emissions 85%, and reach carbon neutrality by 2045.
HFCs are considered to be super pollutants because they trap heat in the atmosphere thousands of times more effectively than carbon dioxide, the most prevalent greenhouse gas. California is required to reduce HFC emissions 40% below 2013 levels by 2030 under Senate Bill 1383.
finds that private jets are 10 times more carbon-intensive than airliners on average, and 50 times more polluting than trains in terms of CO 2 emitted per passenger-km. And yet, super-rich super polluters are flying around like there’s no climate crisis. The report, Private jets: can the super-rich supercharge zero emission aviation?
Diesel generators release greenhouse gases, particulate matter (PM), volatile organic compounds (VOCs), nitrous oxides (NO x ) and sulfur dioxide (SO 2 ), harmful pollutants that create smog and exacerbate respiratory conditions. This pollution, in turn, may trigger upwards of $31.8 Of these, 20,907 are diesel-fueled.
Original map from Minnesota Pollution Control Agency. 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. The policy will implement two clean cars standards to reduce vehicle emissions.
The world is in a race to dominate the electric vehicle market—the Europeans have made their Battery Alliance a priority and the Chinese are chomping at the bit. Global electric vehicle market growth is projected to rise from 1.7 million vehicles in 2020 to 26 million vehicles in 2030 and 54 million by 2040 at least.
The European Commission presented its proposal for Euro 7 standards to reduce air pollution from new motor vehicles sold in the EU. However, in 2050, more than 20% of cars and vans and more than half of the heavier vehicles are expected to continue to emit pollutants from the tailpipe.
Through 2025, GM is investing $35 billion in electric and autonomous vehicle technology—including work to improve performance and reduce battery costs—to become the market leader in EVs in North America.
BNEF now forecasts that green hydrogen from renewables should be cheaper than natural gas (on an energy-equivalent basis) by 2050 in 15 of the 28 markets modeled, assuming scale-up continues. MMBtu) by 2050 in most modeled markets. BNEF’s LCOH 2 analysis covers 627 modeled projects in 28 markets.
We are, with the many advantages of the CellPack Stationary system compared to fossil-based gensets but also other fuel cell solutions in the market, presenting a strong green alternative for power generation. On the market for smaller gensets, we can make a significant difference now bringing down CO 2 emissions and air pollution.
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%
An anti-pollution helmet developed by a Delhi-based startup can help 2-wheeler riders breathe cleaner air. For the next version, Shellios will tie up with top tier-2-wheeler OEMs for the commercialization of the anti-pollution helmet. The end-users of the product include individual riders all over India.
NITI Aayog, the Government of India’s official think tank, with support from RMI and RMI India, has launched a campaign to transform last-mile deliveries and eliminate pollution through consumer engagement. We will promote awareness about health, environmental and economic benefits of electric vehicles through the Shoonya campaign.
The Copernicus Sentinel-5 Precursor mission, also known as Sentinel-5P, is dedicated to monitoring air pollution by measuring a multitude of trace gases as well as aerosols. Recent data have also shown a decline of air pollution over northern Italy coinciding with its nationwide lockdown to prevent the spread of the coronavirus (COVID-19).
This relationship allows VIA and Pegasus to leverage Creative’s extensive service network and long-established expertise in the bus market. Together, these school buses represent one of the largest fleets in the country and primarily run on diesel fuel, emitting more than 5 million pounds of CO 2 emissions and other toxic pollutants per year.
At that distance, the battery-powered buses could satisfy about 70% of Metro’s bus routes, reducing air and noise pollution throughout the region. Now it is using its purchasing power to demonstrate that there is strong market demand for quieter and cleaner battery-powered buses.
In an open-access report in the journal Environmental Pollution , researchers from UCLA and the University of Chicago estimate that California’s wildfire carbon dioxide equivalent (CO 2 e) emissions from 2020 (~127 mmt CO 2 e ) are approximately two times higher than California’s total greenhouse gas (GHG) emission reductions since 2003.
Fuels produced from the facility will result in significant reductions of both greenhouse gas (GHG) emissions and local air pollutants such as particulate matter. The blended fuel will reduce the overall GHG emissions and other harmful local pollutants in the San Joaquin Valley and elsewhere in California.
Toxic marketing has caused Australia to become obsessed with overseas 4WDs, SUVs and overpowered utes? The post Boys and their Tonka trucks: How fossil car companies sell highly polluting vehicles appeared first on The Driven. Is it time for a ban on such advertising?
These findings will help to improve the understanding of global processes involved in cloud formation and air pollution and to refine the corresponding models. This common compound is found not only in ants and stinging nettles, but also in the atmosphere, where it is an important indicator of air pollution.
With a regional focus on the Western US, the Alliance will aim to deploy commercial fuel cell electric vehicles in applications from the Rocky Mountains to the Hawaiian Islands and everywhere in between, focusing first on areas hardest hit by diesel pollution.
levels inside the cabin, creating a feature not available in any other car currently on the market. This optimizes air quality inside the car, limiting the adverse health effects that are associated with air pollution and fine particulates. The company’s new Advanced Air Cleaner technology comes with a sensor that measures PM 2.5
With ride-hailing services now providing more trips nationally than taxis, the growth of ride-hailing has directly contributed to increased local pollution and exacerbated traffic congestion in dense urban areas.
The compressed natural gas engines provided by Cummins have been certified to near-zero emissions, reducing smog-forming emissions by 90% compared to current EPA standards for nitrogen oxide air pollutants. This combination will bring to market natural gas supervised autonomous trucks in 2022.
The US Environmental Protection Agency (EPA) announced a proposed determination that emissions of lead from aircraft that operate on leaded fuel cause or contribute to air pollution that may reasonably be anticipated to endanger public health and welfare. Levels of airborne lead in the United States have declined 99% since 1980.
In addition to CARB, the South Coast Air Quality Management District, San Joaquin Valley Air Pollution Control District, and the Sacramento Metro Air Quality Management District provided funding for the project. It also uses existing components and supply chains.
This year’s investment dollars focus largely on underserved communities, including low-income communities and those disproportionately burdened by environmental pollution, as well as small truck fleets. billion commitment—for a total investment of $10 billion through fiscal year 2026-27 to decarbonize California’s most polluting sector.
Previous studies revealed widespread environmental pollution and human exposure to a class of compounds called low-molecular weight synthetic phenolic antioxidants. All 24 compounds were detected in the dust: 22 for the first time, and some at relatively high levels compared with other e-waste pollutants.
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