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A new report by the Union of Concerned Scientists (UCS) finds that the rising use of ride-hailing services is increasing carbon emissions, with ride-hailing trips producing nearly 70% greater emissions compared to the trips they are replacing. Error bars for bus and rail emissions represent variability among cities. Source: UCS.
Fewer soot particles in the exhaust stream of aircraft reduces the formation of ice crystals and therefore the climate impact of the resulting contrail cirrus. The results are published in an open-access paper in the Nature Partner Journal (npj) Climate and Atmospheric Science. —Ulrike Burkhardt.
Researchers at MIT have determined that growth in aviation causes twice as much damage to air quality as to the climate. Aviation emissions are an increasingly significant contributor to anthropogenic climate change. Aviation emissions are an increasingly significant contributor to anthropogenic climate change.
Researchers from the University of Birmingham have designed a novel adaptation for existing blast furnaces that could reduce CO 2 emissions from the steelmaking industry by nearly 90%. billion in 5 years while reducing overall UK emissions by 2.9%. If implemented in the UK alone, the system could deliver cost savings of £1.28
Among the transportation-related elements of US President Barack Obama’s new climate action plan, which he is outlining today in a speech at Georgetown University, is the development of new fuel economy standards for heavy-duty vehicles post-2018. Preparing the US for the impacts of climate change. Earlier post.).
Saying that “ investment-grade climate change and clean energy policy is required to shift private sector investment from high-carbon to low-carbon assets ”, a group of 285 investors has urged governments and international policy makers to take new and meaningful steps in the fight against climate change.
Canada’s Minister of Environment and Climate Change, Catherine McKenna, and the Chair of the California Air Resources Board, Mary Nichols, today signed a new cooperation agreement to advance cleaner vehicles and fuels. Canada is developing a Clean Fuel Standard that will cut emissions by 30 million tonnes in 2030.
Among strategies to reduce CO 2 emissions in the transport sector, a shift to active transport (walking and cycling) and rapid transit/public transport combined with improved land use can yield much greater immediate health “co-benefits” than improving fuel and vehicle efficiencies, according to a new WHO (World Health Organization) report.
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.
Now I want to be clear: I am inspired by the Administration’s commitment to phasing out carbon emissions. We do have a climate crisis that needs to be addressed. The US transportation sector accounts for the largest portion of US greenhouse gas emissions, and I firmly believe it is a human right to breathe clean air.
New 2018 data from the California Air Resources Board (CARB) indicates that the state’s Low Carbon Fuel Standard (LCFS) continues to drive production of a growing volume of cleaner transportation fuels for California consumers. The standard provides consumers with a growing variety and volume of cleaner fuels. To date almost 3.3
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. Fuels: the energy source used to power vehicles and the facilities that produce them.
billion investment plan to support the transition to zero-emission transportation. Supported projects range from incentives for cleaner trucks and buses, and mobility options such as bike- and car-sharing, to consumer rebates for clean cars. Support for commercial harbor craft: Dedicates $60 million for cleaner commercial harbor craft.
A retired ScotRail Class 314 electric set has been transported by road from its depot in Glasgow to the Bo’ness & Kinneil Railway where it will be converted to hydrogen-powered—a cleaner, greener alternative to diesel for non-electrified routes. —Transport Secretary Michael Matheson.
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. This mode is used when the aftertreatment system is not yet active to make sure the tailpipe emissions remains very low. Achates Power announced that the 10.6-liter,
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%. It’s a significant step forward for the rail industry and will change the course for even cleaner, more energy-efficient transport.
Alberta, Canada’s Climate Change and Emissions Management (CCEMC) Corporation is providing C$46 million (US$45 million) in funding to support six new carbon capture and storage and cleaner technology projects in the Canadian oil sands region. The projects have a combined value of more than $327 million (US$321 million).
The mayors of London, Paris, Los Angeles, Copenhagen, Barcelona, Quito, Vancouver, Mexico City, Milan, Seattle, Auckland and Cape Town have pledged to procure only zero-emission buses from 2025 and ensure that a major area of their city is zero emission by 2030. Lead by example by procuring zero emission vehicles for city fleets.
On the first day of a two-day board meeting—the second day of which (Friday 24 March) will consider the Advanced Clean Cars Midterm Review—the California Air Resources Board (ARB) took a number of climate and air quality actions. emissions by more than 20%.
The ICCT has conducted a comprehensive global and temporal life-cycle assessment of GHG emissions from a variety of alternative passenger car powertrains and fuels. The life-cycle GHG emissions of cars registered in 2021 are compared with those of cars expected to be registered in 2030.
The California Air Resources Board (CARB) announced that greenhouse gas emissions in California in 2016 fell below 1990 levels for the first time since emissions peaked in 2004—a reduction roughly equivalent to taking 12 million cars off the road or saving 6 billion gallons of gasoline a year.
Bank of America has joined Stanford University’s Global Climate & Energy Project (GCEP), a collaboration of academic and business experts that identifies and supports new avenues of research to make environmentally sustainable, low-cost energy available to everyone. All of humankind needs energy that is reliable, cleaner and more affordable.
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. Shan et al.
Emissions from these backup generators can harm local residents, regional air quality and the global climate. We have long been concerned about the proliferation of diesel backup generators here in the Bay Area, as highlighted in this report. —Marisa Blackshire, senior director of environmental compliance, Bloom Energy.
After examining electric-driven solutions to the carbon and emissions footprint of Argent’s fleet, it became clear the best fit would be low-carbon, sustainable, bio-based renewable diesel fuel, primarily due to the rugged duty cycles of its trucks and equipment. We have noticed that the exhaust appears cleaner and seems less toxic.
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 Flameless Ceramic Turbine combines flameless combustion technology and innovations in ceramic design to deliver demand-responsive power without the emissions. Not only can IPG’s technology deliver low-emission, pollutant-free energy on today’s cleaner fuels. —IPG CEO Toby Gill.
California’s latest greenhouse gas data shows that while the state continues to stay below its 2020 target for emissions, there is much more work to do to achieve carbon neutrality by 2045. California statewide GHG emissions dropped below the 2020 GHG Limit in 2016 and have remained below the 2020 GHG Limit since then.
Cutting the amount of short-lived, climate-warming emissions such as soot and methane won’t limit global warming as much as previous studies have suggested, according to a new study from the Joint Global Change Research Institute in College Park, Md., —Smith and Mizrahi.
billion investment plan that will increase access to clean vehicles and clean mobility options through a wide variety of projects that support the transformation of California’s vehicle and equipment fleet to zero-emission. Supported projects range from consumer rebates for clean cars to incentives for cleaner trucks, and mobility options.
Massachusetts Energy and Environmental Affairs (EEA) Secretary Ian Bowles has set the statewide greenhouse gas (GHG) emissions limit for 2020 required by the Global Warming Solutions Act of 2008 at 25% below 1990 levels, the maximum authorized by the Act, saying that measures already in place will get Massachusetts much of the way toward that goal.
Fuel-cycle SO 2 emissions of EVs compared to those of gasoline ICEVs and HEVs in China, current (left) and future (right). The study examined the fuel-cycle CO 2 , SO 2 , and NO x emissions of EVs in China in both current (2008) and future (2030) periods and compared them with those of conventional gasoline vehicles and gasoline hybrids.
Marine shipping fuels will get cleaner in 2020 when a regulation by the International Maritime Organization (IMO) requires a decrease in the allowable amount of sulfur in fuel oil from 3.5% Now, a new open-access study published in Nature Communications quantifies these health benefits and finds cleaner shipping fuels will result in a 3.6%
A study by the University of California, Riverside College of Engineering Center for Environmental Research and Technology (CE-CERT) found that a Los Angeles County Metropolitan Transit Agency (Metro) bus equipped with an ultra-low emission natural gas engine performs significantly cleaner than its certification standards across all duty cycles.
AB 1346 would require new sales of SORE to be zero-emission by 2024 or whenever the California Air Resources Board (CARB) determines is feasible, whichever is later. Smog-forming emissions from small engines will surpass those from passenger vehicles this year. —Assemblymember Marc Berman.
The governors of Massachusetts, Connecticut, and Rhode Island, and the mayor of the District of Columbia announced that theirs will be the first jurisdictions to launch a new multi-state program that the principals expect will invest some $300 million per year in cleaner transportation choices.
The findings of a study by researchers at Carnegie Mellon University, with colleagues at UC Berkeley, suggest that changing atmospheric NO x levels over the next two decades will likely significantly reduce the effectiveness of stricter new gasoline vehicle emissions standards in reducing concentrations of secondary organic aerosol (SOA).
The California Energy Commission approved nearly $70 million in funding to replace more than 200 old diesel school buses with all-electric buses that will reduce school children’s exposure to harmful emissions and help the state reach its climate and air quality goals. School buses are by far the safest way for kids to get to school.
This year’s Index finds that 2018 greenhouse gas emissions—the latest year for which data are available—rose overall for the first time since 2012, driven in part by increases in the power and commercial sectors. Data from the report illustrate that California now must reduce emissions by an average of 4.9%
UN Climate Change published the Initial NDC Synthesis Report , showing nations must redouble efforts and submit stronger, more ambitious national climate action plans in 2021 if they’re to achieve the Paris Agreement goal of limiting global temperature rise by 2 °C—ideally 1.5 °C—by C—by the end of the century.
Extracting energy from the wind causes climatic impacts that are small compared to current projections of 21 st century warming, but large compared to the effect of reducing US electricity emissions to zero with solar. We must quickly transition away from fossil fuels to stop carbon emissions. Source: Miller and Keith (2018a).
The air in the United States and Western Europe is much cleaner than even a decade ago. Despite these successes, sulfate levels in the atmosphere have declined more slowly than sulfur dioxide emissions, especially in wintertime. This does not mean that the emissions reductions aren't working.
New York Governor Kathy Hochul directed the State Department of Environmental Conservation to take major regulatory action that will require all new passenger cars, pickup trucks, and SUVs sold in New York State to be zero emissions by 2035. Earlier post.). Earlier post.).
The California Air Resources Board has adopted a first-in-the-world rule—the Advanced Clean Trucks ( earlier post )—requiring truck manufacturers to transition from diesel trucks and vans (Class 2b to Class 8) to electric zero-emission trucks beginning in 2024. By 2045, every new truck sold in California will be zero-emission.
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