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A new study by a team from Environmental Health & Engineering (EH&E) has found that greenhouse gasemissions from corn ethanol are 46% lower than those from gasoline—a decrease in emissions from the estimated 39% done by previous modeling. EH&E) and Adjunct Professor of Environmental Health at Harvard’s T.H. Scully et al.
The Covid-19 crisis in 2020 triggered the largest annual drop in global energy-related carbon dioxide emissions since the Second World War, according to IEA data, but the overall decline of about 6% masks wide variations depending on the region and the time of year. Many economies are now seeing emissions climbing above pre-crisis levels.
Volkswagen is the first automaker to transport most of its new vehicles overseas using low-emission LNG ships. The further decarbonization of shipping will result in substantial CO 2 reductions, with the use of liquid natural gas enabling Volkswagen to cut the ships’ CO 2 emissions by up to 25% percent (tank-to-wake).
Komatsu and its mining customers Rio Tinto, BHP, Codelco and Boliden have formed the Komatsu Greenhouse Gas (GHG) Alliance. The formation of the alliance brings together mining leaders willing to share time, resources and information to deliver zero-emissions equipment solutions.
An electric exhaust gas turbocharger, which in future will be used for the first time in a series production model, is already in the final stages of development. This electronically-controlled electric motor drives the compressor wheel before this accepts the exhaust gas flow.
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
C2G emissions are a sum of WTW emissions and emissions associated with vehicle manufacturing. Using current technologies, all evaluated biofuel, battery electric, and hydrogen fuel cell vehicle pathways offer significant C2G GHG emissions reduction compared to the current gasoline internal combustion engine vehicle.
Along with hydrogen production and use, an energy transition will involve the synchronous upscaling of renewable electricity, batteries, and energy use technologies. They calculated hydrogen production as the ratio of annual solar farm electricity output (minus transmission losses =and balance-of-plant loads), and electrolyzer efficiency.
The extended drought in California could cut the state’s summer electricity generation from hydropower nearly in half compared with normal precipitation conditions, according to an analysis by the US Energy Information Administration (EIA). Figure 2 data source: US Energy Information Administration, Electric Power Monthly.
Cummins and Komatsu, a global provider of equipment and services for the construction and mining industries, have signed a memorandum of understanding to collaborate on the development of zero-emissions haulage equipment. Additionally, Komatsu intends to explore further possibilities in zero emissions mining haul truck development.
Global energy-related carbon dioxide emissions rose by 6% in 2021 to 36.3 The rebound of global CO 2 emissions above pre-pandemic levels has largely been driven by China, where they increased by 750 million tonnes between 2019 and 2021. In 2021 alone, China’s CO 2 emissions rose above 11.9 billion tonnes. billion tonnes.
The SL 43 features an M139 in-line two-liter, four-cylinder gasoline engine with an electric exhaust gas turbocharger—used for the first time in a production vehicle. The turbocharger is operated via the 48-volt electrical system, which also feeds the belt-driven starter-generator (RSG).
The Advanced Clean Trucks (ACT) rule requires the sale of at least 30% zero-emission trucks by 2030; the HDV Omnibus rule requires a 90% reduction in NO x emissions from Model Year 2027 engines; and the California Phase 2 greenhouse gas rule sets standards to improve the efficiency of tractor-trailers.
by Michael Sivak, Sivak Applied Research The overall advantage of battery electric over gasoline vehicles, in terms of well-to-wheels emissions of greenhouse gases, has been well documented. However, the emissions of electric vehicles depend greatly on the energy source used to generate the electricity that powers them.
In a recent open-access paper published in ACS’ Environmental Science & Technology , researchers from the University of York report that alcohols in windshield washer fluid account for a larger fraction of real-world vehicle emissions than previous estimates have suggested. Cliff et al. —Cliff et al.
Airbus has revealed three concepts for the world’s first zero-emission commercial aircraft which could enter service by 2035. The concepts we unveil today offer the world a glimpse of our ambition to drive a bold vision for the future of zero-emission flight. —Guillaume Faury, Airbus CEO.
A team from Empa - Swiss Federal Laboratories for Materials Science and Technology and FPT Motorenforschung reports in an open-access paper in the journal Fuel on the performance and emission characteristics of an 11-liter heavy-duty compression ignition engine which was optimized specifically for DME (dimethyl ether) combustion. from 16.5)
FlyZero is the UK’s Aerospace Technology Institute (ATI) project aiming to realize zero-carbon emission commercial aviation by 2030. Funded by the Department for Business, Energy and Industrial Strategy, the project FlyZero began in early 2021 as an intensive research project investigating zero-carbon emission commercial flight.
Production of Li 2 CO 3 from brine-based resources had less life cycle GHG emissions and freshwater consumption per tonne of Li 2 CO 3 than Li 2 CO 3 from ore-based resources. This study provides crucial insights into the electric mobility value chain. Kelly et al. —Veronica Gautier, SQM’s head of innovation. —Michael Wang.
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. The test cycle was made up of five repeats of the EQUA cycle, totalling 741 km.
The US Department of Transportation’s Federal Highway Administration (FHWA) announced a Notice of Proposed Rulemaking ( NPRM ) for states and municipalities to track and reduce greenhouse gas (GHG) emissions. The proposed rule would require MPOs serving urbanized areas with multiple MPOs to establish additional joint targets.
The inherently lower soot forming propensity of ethanol compared to diesel fuel would allow ClearFlame to operate the engine closer to stoichiometric conditions, enabling the use of three-way catalyst (TWC) aftertreatment systems to control NO x emissions. per mile, lower than natural gas by $0.09
NYK Line, Japan Marine United Corporation (JMU), and Nippon Kaiji Kyokai (ClassNK) signed a joint R&D agreement for the commercialization of an ammonia-fueled ammonia gas carrier (AFAGC) that would use ammonia as the main fuel, in addition to an ammonia floating storage and regasification barge (A-FSRB).
a developer of electrified powertrain solutions for Class 8 commercial vehicles, launched its Hypertruck Electric Range Extender (ERX), a long-haul, natural-gas series-hybrid electric powertrain. With more than 700 public stations across the US, the Hypertruck ERX leverages a robust natural gas refueling infrastructure.
A new University of Michigan study finds that making the switch to all-electric mail-delivery vehicles would lead to far greater reductions in greenhouse gasemissions than previously estimated by the US Postal Service (USPS). The Postal Service said in February that at least 10% of the new mail trucks would be electric.
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.
Based on preliminary economic activity and energy data, Rhodium Group estimates that greenhouse gas (GHG) emissions in the US slightly increased in 2022, rising 1.3% This reversal in 2022 was largely due to the substitution of coal with natural gas—a less carbon-intensive fuel—and a rise in renewable energy generation.
The US Environmental Protection Agency (EPA) released its 28 th annual Inventory of US Greenhouse GasEmissions and Sinks (GHG Inventory), which presents a national-level overview of annual greenhouse gasemissions from 1990 to 2019. CO 2 emissions decreased 2.2% Total GHG emissions in 2019 were up 1.8%
Hyundai Motor Group will collaborate with the Saudi Arabian Oil Company (Aramco) and King Abdullah University of Science and Technology (KAUST) jointly to research and develop an advanced fuel for an ultra lean-burn, spark-ignition engine that aims to lower the overall carbon dioxide emissions of a vehicle.
Audi is adding a new member to its A3 family: the A3 Sportback 30 g-tron natural gas vehicle. Operation with natural gas or biomethane makes the compact model economical and more climate-friendly with low emissions. With full gas tanks, the car has an NEDC range of up to 495 (307.6 The A3 Sportback 30 g-tron 1.5
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 gasemissions 85%, and reach carbon neutrality by 2045.
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 gasemissions and other pollutants for sale in Minnesota.
Light-duty vehicles, including sedans, SUVs, and pickup trucks, are currently responsible for 58% of US transportation sector emissions. In an open-access paper in Environmental Research Letters , they show that the proportional emissions benefit of electrification is approximately independent of vehicle class. Woody et al.
will bring to market a 15-liter natural gas engine for heavy-duty trucks. The 15-liter natural gas engine is an important part of Cummins strategy for its path to zero emissions. Cummins Inc. —Srikanth Padmanabhan, President, Engine Business, Cummins. gCO 2 e/MJ.
In order to advance its fleet electrification and emissions reduction goals, the Sewerage and Water Board of New Orleans (SWBNO) has deployed six new XL plug-in hybrid electric Ford F-150 pickup trucks to its fleet.
Analysis of a study by S&P Global Mobility shows the number of new near-zero emission diesel trucks on the road in the US increased 10.2% Near-zero emission trucks are advanced diesel technology manufactured in the 2010 and later model years. are electric, and the remainder are gasoline or other fuels. are CNG, 0.3% That’s a 10.2%
The new VW Golf is now also available in certain markets with natural gas drive: the Golf TGI is equipped with a 1.5-liter liter four-cylinder engine with 96 kW / 130 PS and three natural gas fuel tanks. The tanks are integrated into the underbody and permit a range of around 400 kilometers (WLTP) in pure natural gas mode.
The Lion Electric Company (Lion), a manufacturer of purpose-built all-electric medium and heavy-duty urban vehicles, has delivered 10 battery-electric LionC school buses to the Twin Rivers Unified School District in Sacramento, California. To support these buses, more than $4.5 To support these buses, more than $4.5
Toyota’s next generation fuel cell electric technology is now powering a new set of Class 8 heavy-duty trucks. Designed to be flexible enough to meet the needs of a wide variety of OEM truck makers, the new fuel cell electric system in the latest prototypes has been adapted to a Kenworth T680 chassis. Port fleet rollout.
Other fuels that play a role in commercial trucking include gasoline (23%) and compressed natural gas (0.4%). Electric and other categories each register less than 1%. About 32% of all electric trucks nationwide are in California, where for every electric truck there are about 300 diesel trucks (all years, Classes 3-8).
is adding 53 all-electric transport refrigerated trailer units (TRUs) to its fleet located at the company’s Riverside, Calif. By operating the all-electric TRUs, UNFI anticipates it will save approximately 135,000 gallons of diesel fuel per year while reducing particulate matter pollutant emissions and greenhouse gasemissions.
The propulsion system is being considered as one of the potential solutions to equip its zero-emission aircraft that will enter service by 2035. —Glenn Llewellyn, VP Zero-Emission Aircraft, Airbus. A hydrogen gas turbine can also be coupled with fuel cells instead of batteries in a hybrid-electric architecture.
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.
Southern California Gas Co. SoCalGas) will demonstrate a combination of technologies that will produce hydrogen from renewable natural gas (RNG) at SunLine Transit Agency’s hydrogen fueling station in Thousand Palms, California. The demonstration project will integrate two core technologies.
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