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EIA expects that level of decrease in hydropower generation would lead to an 8% increase in California’s electricity generation from natural gas, a 6% increase in energy-related carbon dioxide (CO 2 ) emissions in the state, and an average 5% increase in wholesale electricity prices throughout the West given the current system configuration.
Baker Hughes and Snam have successfully completed testing of the world’s first “hybrid” hydrogen turbine designed for a gas network. The test paves the way to implement adoption of hydrogen blended with natural gas in Snam’s current transmission network infrastructure. 20 billion cubic meters globally).
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.
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). SwRI developed the technology for the California Air Resources Board (CARB).
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.
Researchers at the Fraunhofer-Gesellschaft have developed a membrane technology for the energy-efficient and economic separation of hydrogen from natural gas. This technology makes it possible for the two substances to be routed through the national natural gas grid together and then isolated from one another at their final destination.
Anheuser-Busch is transitioning more than 180 trucks—representing approximately 30% of its dedicated fleet—to Renewable Natural Gas (RNG). Louis to fleets powered by Compressed Natural Gas (CNG) engines. In 2014 and 2015, Anheuser-Busch converted 160 diesel-fueled trucks in Houston and St. million miles each year.
announced that the ISX12N+Endurant HD N powertrain from its Integrated power portfolio is now available for heavy-duty customers, delivering a fully integrated natural gas powertrain. This reduces smog-forming NO x emissions by 90% (to 0.02 Cummins Inc. and Cummins Westport Inc.
PACCAR will work with Cummins to offer the new Cummins X15N natural gas engine ( earlier post ) in Kenworth and Peterbilt trucks. The X15N is the first natural gas engine to be designed specifically for heavy-duty truck applications with up to 500 horsepower output.
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).
This award marks the first Advanced Class Gas Turbines in the industry specifically designed and purchased as part of a comprehensive plan to sequentially transition from coal, to natural gas and finally to renewable hydrogen fuel, and creates a roadmap for the global industry to follow. MHPS gas turbines have more than 3.5
Plus (formerly Plus.ai), a leading company in self-driving truck technology, announced a new initiative with global engine manufacturer Cummins to develop the industry’s first driver-in, supervised autonomous trucks powered by natural gas. This combination will bring to market natural gas supervised autonomous trucks in 2022.
The US Environmental Protection Agency (EPA) and US Department of Energy (DOE) are partnering to provide more than $1 billion in funding to help reduce methane emissions from the oil and gas sector through the creation of the Methane Emissions Reduction Program. Includes flexibilities and exemptions.
of the methane in gas flares used by the oil and gas industry. Burners currently used on the field commonly perform below target specifications, especially under crosswind conditions, which results in a significant portion of this powerful greenhouse gas escaping into the atmosphere. The three-year, $2.9-million
“Blue” hydrogen—produced through steam methane reforming (SMR) of natural gas or coal gasification, but with CO 2 capture and storage—is being described as having low or zero carbon emissions. Carbon dioxide emissions, including emissions from developing, processing, and transporting the fuels, are shown in orange.
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).
With demand for lithium set to increase over the next decade, Roskill has calculated , using its in-house analysis, that CO 2 emissions from lithium production are set to triple by 2025 versus current levels and to grow by a factor of six by 2030, with the vast majority of this coming from mineral concentrate production, shipping and refining.
A study by researchers at CU Boulder and Edinburgh Napier University finds that high-density, low-rise environments such as those found in Paris are the optimal urban form when looking to reduce greenhouse gasemissions over their whole life cycle. However, urban environmental design often neglects life cycle GHG emissions.
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.
In addition, as part of this rulemaking, EPA is proposing targeted updates to the existing Heavy-Duty Greenhouse GasEmissions Phase 2 program (HD GHG Phase 2). This proposed rulemaking builds on and improves the existing emission control program for on-highway heavy-duty engines and vehicles.
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. gCO 2 e/MJ.
will be updated with a Cummins X15N natural gas engine ( earlier post ) that will run on Shell Renewable Natural Gas (RNG). will capitalize on some of the latest available technology, including being powered by renewable natural gas. At ACT Expo in Anaheim, Shell announced that Shell Starship 3.0 Shell Starship 3.0 Starship 2.0
A new report from Australia’s national science agency CSIRO shows that clean hydrogen can significantly reduce aviation emissions with potential benefits seen within five years. While not a large contributor to emissions for the sector, on-airport applications represent a straightforward and near-term opportunity to introduce clean hydrogen.
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
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.
Austria-based OMV, an international, integrated oil, gas and chemicals company, announced its intention to become a net-zero (Scope 1, 2 and 3) company by no later than 2050. OMV’s plan foresees emission reduction targets of 30% in operations (Scope 1 & 2) and a 20% reduction target in the product portfolio (Scope 3) for 2030.
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.
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.
A study by researchers in Australia and China has determined that global food-miles account for nearly 20% of total food-systems emissions; moving fruit and vegetables in refrigerated vehicles is particularly emissions-intensive. They found that, in 2017, food transportation added emissions equivalent to 3.0 GtCO 2 e (3.5–7.5
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.
The NWIS comprises mostly gas-fired generation and has a GHG emission factor of 620 g CO 2 -e kWh -1. Key results from the study were: For both baseline scenarios, the GHG emission intensity is around a quarter that of H 2 produced from SMR. solar generation exceeding electrolyzer capacity). —Palmer et al.
With clean hydrogen gaining recognition worldwide as a carbon-free fuel capable of making a significant contribution to addressing climate change, Southern California Gas Co. SoCalGas) will field test a new technology that can simultaneously separate and compress hydrogen from a blend of hydrogen and natural gas.
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 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.
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.
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.
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. Natural gas 87.9
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.
New analysis has found increasing emissions of several ozone-depleting chemicals despite their production being banned for most uses under the Montreal Protocol—and a loophole in the rules is likely responsible. According to the researchers, emissions from these CFCs currently do not significantly threaten ozone recovery.
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
Southwest Research Institute (SwRI) is designing innovative hydrogen combustion systems for gas turbines used in power generation. Hydrogen fuel has numerous benefits including the fact that it produces no carbon emissions during the combustion process.
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 electric exhaust gas turbocharger is a fascinating example of the extensive transfer between Formula 1 technology and the development of production vehicles.
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
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