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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). g/hp-hr NO x emissions).
opposed-piston heavy-duty diesel engine has achieved performance results that comply with pending 2027 requirements of the US Environmental Protection Agency (EPA) and California to reduce sharply emissions of nitrogen oxides (NO x ). Achates Power’s innovative 3-cylinder, 10.6L Furthermore, the 10.6L Furthermore, the 10.6L
Startup ClearFlame Engine Technologies announced a partnership with Alto Ingredients, a leading producer of specialty alcohols and essential ingredients, to conduct pilot demonstrations of ClearFlame’s solution for diesel engines using low-cost ethanol in Class 8 trucks.
As a result, Argent has offset more than 97 million pounds of carbon from the atmosphere and removed a half-million pounds of trash from the streets of Oakland, California. Now, Argent has switched its fleet from petroleum diesel to Neste MY Renewable Diesel. —Bill Crotinger, president of Argent Materials Inc.<>/div>.
A team at Oak Ridge National Laboratory (ORNL) has achieved diesel-like efficiency in a single-cylinder spark-ignition (SI) research engine while maintaining compatibility with stoichiometric 3-way catalyst (TWC) systems. A major benefit of SI engines is that they allow the use of low carbon content fuels like methane and propane.
Diesel is the predominant technology in commercial trucking, school, and transit bus sectors, according to the Diesel Technology Forum’s analysis of data sourced from S&P Global Mobility TIPNet data of vehicles in operation for Class 3-8 as of December 2021. Of the largest trucks (Class 8) in operation, 97% are diesels.
The independent testing on a generator showed the unit reduced diesel consumption in the range of 5–13%, lowered diesel particulate matter emissions by 25–80% and removed 7–25% of carbon monoxide. Wilson said based on a diesel price of A$1 a liter (US$2.62/gallon
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.
At CONEXPO, Cummins showcased its new fuel-agnostic 15-liter engine platform with hydrogen, natural gas and advanced diesel engines offering low-to-zero carbon fuel capability. The advanced diesel version can use either sustainable HVO fuel or biodiesel with ratings up to 650 hp (485 kW) for the most demanding off-highway duty-cycles.
Heavy-duty diesel vehicles using mixing controlled compression ignition (MCCI), the most common ignition and combustion strategies for heavy-duty diesel engines, contribute significantly to the emissions of GHG, oxides of nitrogen (NO x ), and particular matter (PM) and are subject to stringent emission standards.
liter, heavy-duty opposed-piston, three-cylinder diesel engine it developed in a project funded by the California Air Resources Board (CARB) and several partners ( earlier post ) has entered fleet service with WALMART Corporation in a Peterbilt 579 tractor. The project team also demonstrated that the engine reduces carbon dioxide by 10%.
REG Ultra Clean blends biodiesel and renewable diesel. The patent-pending combination delivers both biodiesel’s excellent lubricity and renewable diesel’s high Cetane and low Cloud Point in a 100% renewable fuel. REG Ultra Clean reduces emissions significantly compared to petroleum diesel.
Analysis of a study by S&P Global Mobility shows the number of new near-zero emissiondiesel trucks on the road in the US increased 10.2% between 2021 and 2022, according to the Diesel Technology Forum (DTF). Near-zero emission trucks are advanced diesel technology manufactured in the 2010 and later model years.
Because this technology allows the engine to continue to operate on an MCCI diesel-like cycle, the engine maintains the high thermal efficiency and torque of traditional diesel engines. ClearFlame-based engine technology uses MCCI to maintain diesel engine cycle efficiency and torque. EGR and air flow component modifications.
Through the alliance framework, Komatsu’s GHG partners will work directly with Komatsu to collaborate on product planning, development, testing and deployment of the next generation of zero-emission mining equipment and infrastructure. —Masayuki Moriyama, president of Komatsu’s Mining Business Division.
Keliber, a Finnish mining and battery chemical company that aims to start the sustainable production of battery-grade lithium hydroxide, has analyzed the CO 2 emissions generated by its future production using two studies. In the comparison, Keliber shows the lowest emission intensity of 4.38 Keliber plans to begin production in 2024.
Hydra Energy, the Hydrogen-as-a-Service (HaaS) provider for commercial fleets looking to reduce emissions and costs with limited risk and no up-front investment ( earlier post ), has delivered its first hydrogen-converted, heavy-duty truck to paying fleet customer Lodgewood Enterprises. —Lodgewood President Arlene Gagne.
In the US, diesel freight trains emit 35 million metric tons of CO 2 annually and produce air pollution that leads to $6.5 Here we show that a 241-km range can be achieved using a single standard boxcar equipped with a 14-MWh battery and inverter, while consuming half the energy consumed by diesel trains. l –1 diesel price, US$100?kWh
Historically, the refinery has produced diesel from crude oil and has a capacity of 70,000 barrels per day. GCEH will immediately commence retooling the refinery to produce renewable diesel from organic feedstocks such as vegetable oils. a Primoris Services Corp subsidiary.
Almost 98% of all these trucks run on diesel, according to the 2021 Vehicles in Use report. Just some 2,300—or 0.04% of the total fleet—are zero-emission trucks. To make zero-emission trucks the preferred choice of transport operators, urgent action is needed on European and member state levels, ACEA said.
a leader in propulsion efficiency, announced at SAE International’s WCX the results of their collaborative study on the effectiveness of Tula’s diesel Dynamic Skip Fire (dDSF) in reducing nitrogen oxides (NO x ) and carbon dioxide (CO 2 ) emissions on a Cummins X15 HD Efficiency Series diesel engine. Cummins Inc.
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.
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. Hydrogen used for treating crude or bio-crude oil to produce jet fuel with a lower carbon intensity is also considered as an early-stage application.
CAT-DEF—Catalyzed Diesel Exhaust Fluid—is an SwRI-developed catalyst- and surfactant-modified diesel exhaust fluid (DEF) solution. The internally funded advancement successfully reduced heavy-duty diesel engine nitrogen oxide (NO x ) emissions to meet the California Air Resources Board (CARB) 2027 standards.
Electric truck company Tevva and Vattenfall signed a Memorandum of Understanding to explore the opportunity to provide a complete zero-emission transport solution for businesses looking to reduce the overall carbon impact of their operations. Tevva is an electric truck company with optional range extension technology that allows its 7.5-19t
The research focuses on zero-carbon hydrogen and other low-carbon fuels as viable alternatives to diesel for the rail industry. The team’s goal is to reduce carbonemissions from the roughly 25,000 locomotives already in use in North America. billion pounds of carbon dioxide.
Aemetis, a renewable fuels company focused on negative carbon intensity products ( earlier post ), has signed a 10-year, 450-million-gallon renewable diesel supply agreement with an industry-leading travel stop company, which is expected to generate more than $3 billion in revenue. billion miles of heavy truck and cargo transportation.
The gasoline direct injection (GDI) engine is one of the most prominent technologies car manufacturers adopted to achieve the fuel economy and carbon dioxide emission goals established in 2012 by the US Environmental Protection Agency. A strong absorber of solar radiation, black carbon exhibits significant climate warming properties.
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.
“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 carbonemissions. Our analysis assumes that captured carbon dioxide can be stored indefinitely, an optimistic and unproven assumption.
Wärtsilä has developed and delivered a mobile battery container solution that will enable inland waterway vessels to operate with zero emissions. The system enables the vessel to operate on full electric power alone, with no carbonemissions being generated. —Willem Dedden, CEO of ZES.
If a ban were introduced on the sale of new gasoline and diesel cars, and they were replaced by electric cars, the result would be a significant reduction in lifecycle carbon dioxide emissions primarily due to reduced tailpipe CO 2 emissions, according to a new lifecycle study by researchers at Chalmers University of Technology, Sweden.
The aviation sector is responsible for about 5% of global anthropogenic emissions causing climate change. That makes the fuel carbon neutral, especially if we use CO 2 captured directly from the air as an ingredient, hopefully in the not-too-distant future. —Aldo Steinfeld.
The technology group Wärtsilä has joined a consortium of key partners to form Zero Emission Services B.V. Within the Netherlands transport sector, inland navigation accounts for 5% of carbon dioxide emissions. ZES) , an enterprise aimed at making inland waterway shipping more sustainable.
has created a wholly-owned subsidiary, NetZero Metals, to begin the research and development of a processing facility that would be located in the Timmins, Ontario region with the goal of utilizing existing technologies to produce zero-carbon nickel, cobalt and iron products. Canada Nickel Company Inc.
will create a 50/50 joint venture to develop carbon-negative renewable natural gas (RNG) production facilities in the United States, as well as credit support to build additional downstream RNG fueling infrastructure. Carbon-negative RNG is being used today by thousands of vehicles with more and more fleets requesting it every week.
Once built, the facility will be among the largest in Europe to produce sustainable aviation fuel (SAF) and renewable diesel made from waste. Hydrogen and high-pressure steam are then used in the production process to convert oils into fuels (hydroprocessing), helping to reduce the fuel’s carbon intensity.
Researchers at EPFL have patented a new concept that could cut trucks’ CO 2 emissions by almost 90%. Simple heat and mass flows for CO 2 capture from diesel engine exhaust: exhaust cooling, TSA cycle, product CO 2 compression, and liquefaction. Sharma and Maréchal. The whole process takes place within a capsule measuring 2 m x 0.9
Swiss engine designer WinGD, a leading developer of two-stroke low-speed gas and diesel engines used for propulsion power in merchant shipping, said that its engines will be able to run on methanol and ammonia from 2024 and 2025 respectively. The full, long-term use of carbon-neutral or zero-carbon fuels is the next step on this pathway.
People from Chevron and Toyota will be driving Toyota’s Tundra, RAV4 and Camry on this road trip with the objective of demonstrating the fuel, which is more than 40% less carbon intensive than traditional gasoline on a lifecycle basis, according to Chevron.
The ClearFlame solution leverages diesel-style mixing-controlled compression ignition (MCCI). Jacobs provided installation support of its patented Cylinder Deactivation (CDA) technology, which complements the ClearFlame high-temperature, carbon-neutral strategy.
BMW i Ventures has invested in Prometheus Fuels ( earlier post ), a company removing CO 2 from the air and turning it into zero-net carbon gasoline that it will sell at gas stations, at a price that competes with fossil fuels, starting as early as this year. The effective upgrading of alcohols to gasoline, diesel, and jet fuels.
Cummins and Chevron USA, a subsidiary of Chevron Corporation announced a memorandum of understanding to leverage complementary positioning in hydrogen, natural gas, and other lower carbon fuel value chains. This collaboration is intended to encourage commercial and industrial adoption in North America.
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.
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