Engine, Fuel and Resource

Load-control strategies for ammonia-hydrogen dual-fuel engine for hybrid power systems

Green Car Congress

APRIL 23, 2023

A team at Beijing University of Technology has evaluated four load control strategies—throttle, ammonia-hydrogen ratio, air–fuel ratio, and variable valve timing—for an ammonia-hydrogen dual fuel Miller cycle spark ignition engine in a hybrid system. A paper on their work appears in the journal Fuel.

Hydrogen

Hydrogen Engine Hybrid Fuel

Optimized heavy-duty CI engine fueled with DME delivers diesel performance, significantly reduces engine-out emissions

Green Car Congress

AUGUST 14, 2023

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.

Engine

Engine Emissions Diesel Fuel

Korean team develops 2L-class direct-injection hydrogen-fueled engine

Green Car Congress

SEPTEMBER 8, 2023

The joint research team of KIMM and HMC injected hydrogen directly into the combustion chamber of the engine of an existing HMC hybrid vehicle, with a pressure of more than 30 bar.

Hydrogen

Hydrogen Engine Fuel Carbon

Cummins unveils 15L hydrogen engine

Green Car Congress

MAY 17, 2022

At the recent ACT Expo in Long Beach, California, Cummins debuted its 15-liter hydrogen engine. This engine is built on Cummins’ new fuel-agnostic platform, where below the head gasket each fuel type’s engine has largely similar components, and above the head gasket, each has different components for different fuel types.

Hydrogen

Hydrogen Engine Long Beach Carbon

Co-Optima FY20 report highlights advances in engines-fuels research

Green Car Congress

MAY 6, 2021

A report released this week highlights the most significant breakthroughs of the last year in the US Department of Energy’s (DOE) Co-Optimization of Fuels & Engines (Co-Optima) initiative, with details on findings that could translate into significant greenhouse gas (GHG) and tailpipe emissions reductions. Source: DOE.

Engine

Engine Fuel Emissions Renewable

KAUST develops AI framework for design of fuels optimized for engine efficiency and lower emissions

Green Car Congress

NOVEMBER 3, 2022

A team at King Abdullah University of Science and Technology (KAUST) has developed a data-driven artificial intelligence (AI) framework to design liquid fuels exhibiting tailor-made properties for combustion engine applications to improve efficiency and lower carbon emissions. —Kuzhagaliyeva et al.

Design

Design Emissions Fuel Engine

ClearFlame Engine Technologies partners with Alto Ingredients to demo ethanol-fueled MCCI in heavy-duty diesels; high efficiency, low emissions

Green Car Congress

MAY 18, 2021

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. In fact, it increases power by 25%.

Diesel

Diesel Engine Emissions Fuel

SwRI engineers develop near-zero emissions diesel engine technology; 90% reduction of NOx

Green Car Congress

MAY 27, 2020

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. SwRI developed the technology for the California Air Resources Board (CARB). g/hp-hr NO x emissions).

Engine

Engine Emissions Diesel 2020

SJTU team investigating ammonia HCCI combustion in free piston engine

Green Car Congress

FEBRUARY 13, 2023

Researchers at Shanghai Jiao Tong University are investigating ammonia-fueled HCCI combustion in a free piston engine. In a paper published in the journal Fuel , they report an optimal compression ratio (CR = 25) for ammonia igniation and an optimal piston trajectory (symmetric trajectory with Ω = 0.5) 2023.127634

Engine

Engine Exhaust Emissions Fuel

ORNL team achieves diesel-like efficiency with SI engine

Green Car Congress

APRIL 9, 2021

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 paper on their work is published in the International Journal of Engine Research. Splitter et al.

Diesel

Diesel Engine Gasoline Emissions

Argonne helps optimize piston bowl design for Caterpillar heavy-duty engines using high-performance computing

Green Car Congress

MAY 4, 2021

Argonne National Laboratory is helping Caterpillar improve efficiency and reduce emissions in their heavy-duty diesel engines. Heavy-duty diesel engines still power most large vehicles used in the construction, mining and transportation industries in the United States. The workflow we developed will benefit everyone.

Design

Design Engine Diesel Fuel

MAN D3876 engine ensures high thrust and future-proofing in PistenBully 800; engine basis for possible H2 variant

Green Car Congress

APRIL 19, 2023

MAN Engines is now equipping the PistenBully 800 from Kässbohrer Geländefahrzeug AG with its MAN D3876 engine. The basis for the delivery of the in-line six-cylinder engine was the further development and adaptation of the MAN D3876 to the extreme working environment of the new high-performance snow groomer from Laupheim.

Engine

Engine Future Exhaust Diesel

Fairbanks Morse Defense, ORNL collaborate on developing low-lifecycle carbon fuel (LLCF) technology for marine engines

Green Car Congress

AUGUST 9, 2023

Oak Ridge National Laboratory (ORNL) and Fairbanks Morse Defense (FMD), a portfolio company of Arcline Investment Management, have entered into a Memorandum of Understanding (MOU) to collaborate on the development and integration of alternative fuel technologies aimed at reducing the marine engine’s reliance on fossil fuels.

Mariner

Mariner Engine Carbon Fuel

New combustion system for ethanol/octanol dual fuel combination reduces soot, increases efficiency

Green Car Congress

APRIL 3, 2023

A team at RWTH Aachen University in Germany has proposed a Molecularly-Controlled high swirl Combustion system (MCC) which involves dual direct injection of a low- and a high-reactivity fuel in combination with lean relative air-fuel-ratios, high compression ratio, and compression ignition. —Honecker et al. 2023.128184.

Fuel

Fuel Diesel Exhaust Emissions

MIT team exploring using LOHCs directly on-board hydrogen-fueled trucks

Green Car Congress

SEPTEMBER 10, 2023

Green, the Hoyt Hottel Professor in Chemical Engineering, is developing a technology that allows liquid organic hydrogen carriers (LOHCs) not only to deliver hydrogen to the trucks, but also to store the hydrogen onboard. Their findings were recently published in the ACS journal Energy and Fuels.

MIT

MIT Hydrogen Fuel Exhaust

UNSW Syndey team develops hydrogen-diesel dual fuel system; 90% H2, more than 85% reduction in CO2

Green Car Congress

OCTOBER 8, 2022

Engineers from UNSW Sydney (Australia) have successfully converted a diesel engine to run as a dual-fuel hydrogen-diesel engine, reducing CO 2 emissions by more than 85% compared to conventional diesel. below the amount produced by the diesel powered engine. Image from Prof. Shawn Kook.

Hydrogen

Hydrogen Diesel Fuel CO2

Engineered E. coli could make carbohydrates, renewable fuel, from CO2

Green Car Congress

SEPTEMBER 12, 2021

Researchers from Newcastle University in the UK have engineered Escherichia coli bacteria to capture carbon dioxide using hydrogen gas to convert it into formic acid. coli host strain was engineered for the continuous production of formic acid from H 2 and CO 2 during bacterial growth in a pressurised batch bioreactor.

Renewable

Renewable Engine CO2 Fuel

Researchers scale-up hydrogen and ethanol production from engineered bacteria

Green Car Congress

MAY 17, 2021

Researchers in Mexico have used a genetically engineered Escherichia coli to scale-up the co-production of hydrogen (H 2 ) and ethanol (EtOH) using hemicellulosic hydrolysates from wheat straw pretreated (WSP) as substrate from a 0.01 A paper on their work is published in the journal Fuel. to 10 L process. coli WDH). 5,603.0 ± 233.5

Hydrogen

Hydrogen Engine Production Mexico

CARB: clean fuels replaced more than 50% of diesel used in California in Q1 2023

Green Car Congress

AUGUST 24, 2023

Clean fuels replaced more than 50% of the diesel used in the state in the first quarter of 2023, according to the California Air Resources Board (CARB). This figure provides perspective on the performance of actual quantities of fuel consumed in California. Fuels are compared to an annually declining baseline.

Clean

Clean Cleaning Diesel California

Study on effects of ammonia-diesel blends in CI engines

Green Car Congress

APRIL 17, 2023

An international team from the Middle East has investigated the characteristics of diesel engines powered by petroleum diesel fuel blended with different volumetric percentages of aqueous ammonia. In the simulations, the team used a constant engine speed of 1500 RPM, an injection pressure of 160 bar, and 20° BTDC injection timing.

Diesel

Diesel Engine Fuel Gasoline

KAUST researchers show blending ammonia with DME yields low-carbon fuel with combustion properties similar to gasoline

Green Car Congress

APRIL 6, 2022

Blending ammonia with a small amount of dimethyl ether (DME) gives a liquid fuel with low-temperature combustion properties very similar to gasoline, researchers at KAUST have shown. The development of such fuels could provide an option—in addition to electric cars—for “clean” power for the transportation sector.

Gasoline

Gasoline Carbon Fuel Gasoline-Electric

California Assemblymembers introduce bill phasing out gasoline-fueled small off-road engines

Green Car Congress

MARCH 30, 2021

California Assemblymembers Marc Berman (D-Menlo Park) and Lorena Gonzalez (D-San Diego) introduced legislation to phase out the sale of new gas-powered small off-road engines (SORE), which are primarily used in lawn and garden equipment, including leaf blowers, lawn mowers, and other outdoor power equipment. —Assemblymember Marc Berman.

San Francisco

San Francisco Los Angeles California Engine

Synhelion starts construction of DAWN demo plant to produce solar fuels

Green Car Congress

SEPTEMBER 7, 2022

ETH Zurich spin-off Synhelion has started the construction of DAWN—its own industrial plant to produce synthetic fuels using solar heat. Located in Jülich, Germany, the facility will demonstrate the entire process from concentrating sunlight to producing synthetic liquid fuel on an industrial scale. Earlier post.)

Solar

Solar Fuel Germany Industrial

Researchers investigate super-knock in SI engines running on hydrogen/methane blends

Green Car Congress

FEBRUARY 1, 2023

Using blends of hydrogen and methane as fuels in internal combustion engines is a promising strategy for reducing carbon dioxide emissions. However, the undesirable phenomenon of super-knock, which can severely and instantaneously damage an SI engine, limits its widespread adoption.

Hydrogen

Hydrogen Engine Connecticut Fuel

Canada launches $1.5B Clean Fuels Fund with call for proposals

Green Car Congress

JUNE 22, 2021

billion Clean Fuels Fund with a call for proposals for projects that increase Canada’s capacity to produce clean fuels. The fund supports building new or expanding existing clean fuel production facilities, including hydrogen, renewable diesel, synthetic fuels, renewable natural gas and sustainable aviation fuel.

Canada

Canada Clean Cleaning Fuel

New Argonne partnership with Cummins, Convergent, Sandia to predict fuel injector dynamics

Green Car Congress

APRIL 27, 2021

For the past six years, Argonne researchers have collaborated with Cummins, an engine design and manufacturing company, and software developer Convergent Science, Inc., to create predictive engine simulations using the laboratory’s high-performance computing tools. Endurant HD Fuel spray model. Image by Cummins.).

Fuel

Fuel Engine Building International

PNNL team develops onboard fuel separation technology to enable octane-on-demand for improved fuel economy

Green Car Congress

MAY 22, 2020

Researchers at the US Department of Energy’s Pacific Northwest National Laboratory (PNNL) have developed an onboard separation system that could support increased fuel economy and lower greenhouse gas emissions as part of an octane-on-demand fuel-delivery system. Unfortunately, these engines exacerbate engine knock.

Fuel Economy

Fuel Economy Economy Fuel Gasoline

Airbus invests in Venus Aerospace; liquid-propellant rotating detonating rocket engine

Green Car Congress

JUNE 19, 2023

Venus has developed—as part of a technology portfolio aimed at producing its envisioned Stargazer hypersonic aircraft—a liquid-propellant rotating detonation rocket engine (RDRE) with a double-digit percentage increase in efficiency over standard regular engines. Earlier post.) Aerospace 9(10):581.

Engine

Engine Houston Building Global

MIT team proposes flex-fuel gasoline-alcohol engine PHEV long-haul trucks

Green Car Congress

APRIL 9, 2019

In a paper being presented at WCX SAE World Congress Experience in Detroit this week, a team from MIT is proposing the use of a flex-fuel gasoline-alcohol engine approach for a series-hybrid powertrain for long-haul Class 8 trucks. Ethanol or methanol would be employed to increase knock resistance. —Cohn and Bromberg (2019).

MIT

MIT Gasoline Engine Fuel

DOE to award $30M to support production of rare earths and other critical minerals from coal-based resources

Green Car Congress

AUGUST 25, 2023

The US Department of Energy (DOE) announced up to $30 million to help lower the costs of the onshore production of rare earths and other critical minerals and materials from domestic coal-based resources. ( However, rare earth elements occur naturally, including in domestic coal and coal wastes.

Coal

Coal Ni-Li Production Waste

Researchers demonstrate fossil fuel-free jet propulsion with air plasmas

Green Car Congress

MAY 6, 2020

Such a jet engine simply uses only air and electricity to produce high temperature and pressurized plasma for jet propulsion. The motivation of our work is to help solve the global warming problems owing to humans’ use of fossil fuel combustion engines to power machinery, such as cars and airplanes. —Jau Tang.

Fuel

Fuel Li-ion Engine Universal

WUSTL team develops high-power direct borohydride fuel cells; double the voltage of conventional H2 fuel cells

Green Car Congress

JUNE 21, 2020

Engineers at the McKelvey School of Engineering at Washington University in St. Louis (WUSTL) have developed high-power direct borohydride fuel cells (DBFC) that operate at double the voltage of conventional PEM hydrogen fuel cells. V may offer a pathway to reduce fuel cell stack size for propulsion applications.

Fuel

Fuel St. Louis Power Powered

Cummins beginning development of medium-duty and heavy-duty hydrogen combustion engines; H2-ICE program

Green Car Congress

SEPTEMBER 24, 2021

Cummins announced that its hydrogen-fueled internal combustion engine (H2-ICE) program is beginning development of a medium-duty 6.7-liter liter and a heavy-duty 15-liter engine. —Srikanth Padmanabhan, President, Engine Business, Cummins Inc. The development of the 6.7-liter

Hydrogen

Hydrogen Engine Gas-Electric Carbon

UNL study finds non-flex fuel vehicles can adapt to E30 gasoline without performance compromise; fuel efficiency comparable to E15

Green Car Congress

AUGUST 9, 2021

A team at the University of Nebraska-Lincoln has investigated the long-term adaptability and economic feasibility of non-flex-fuel vehicles—vehicles designed to use fuel blends containing 85% ethanol (E85) or less—to consume a 30% ethanol (E30) fuel blend. MPG compared to E15.

Fuel

Fuel Gasoline Vehicles Nebraska

Kalmar collaborating with Toyota Tsusho America and Ricardo on fuel cell terminal tractors

Green Car Congress

JANUARY 3, 2023

Kalmar, part of Cargotec, is collaborating with Toyota Tsusho America and Ricardo in a project to develop fuel-cell-powered terminal tractors. As part of the project, a Kalmar customer in the US will trial two Kalmar Ottawa Terminal Tractors powered by fuel cell technology at their container terminal on the west coast.

America

America Toyota Fuel Hydrogen

Sandia team develops gasoline-like fuel blend with high renewable content that simultaneously increases ?-sensitivity, RON, and octane sensitivity

Green Car Congress

OCTOBER 11, 2021

Simulations show promising results when the resulting fuel is compared to regular E10 gasoline. Measurements show that the fuel has research octane number (RON) = 97.4 units, respectively, and suggesting that the new fuel blend is suitable for spark-ignition engines. and octane sensitivity (S) = 13.6, Background.

Gasoline

Gasoline Renewable Fuel 2019

Hylane GmbH buys 18 Hyzon fuel-cell-electric trucks

Green Car Congress

APRIL 12, 2022

Hylane GmbH, a wholly owned subsidiary of DEVK Versicherung, one of Germany’s largest motor insurers, has purchased 18 fuel-cell-electric trucks from Hyzon Motors, with deliveries expected to begin in late 2022. Hyzon also plans a Class 6 fuel-cell-electric truck for the European market. —Craig Knight, Hyzon CEO and co-founder.

Fuel

Fuel Buy North America Fleet

Final California deadline for upgrading heavy-duty diesels to MY2010 or newer engines

Green Car Congress

JANUARY 3, 2023

California’s Truck and Bus regulation ( earlier post ) has been in effect since December 2008, with the purpose of reducing emissions of diesel particulate matter (PM), oxides of nitrogen (NO x ) and other criteria pollutants from in-use diesel-fueled vehicles. The regulation applies to: Diesel vehicles with a GVWR greater than 14,000 lbs.

California

California Diesel Engine Personal

Argonne researcher using hydrous ethanol as a dual fuel to lighten the carbon footprint of locomotives

Green Car Congress

APRIL 7, 2022

Essam El-Hannouny, a principal mechanical engineer at the Department of Energy’s (DOE) Argonne National Laboratory, won a Technology Commercialization Fund (TCF) Award from DOE to expand his research on how a renewable alcohol-based biofuel can serve as a dual fuel to help decarbonize locomotive engines. Earlier post.).

Carbon

Carbon Fuel Ozone Engine

New tool accelerates identification of most promising fuels for reducing emissions & improving engine efficiency; Co-Optima

Green Car Congress

JUNE 3, 2020

A new machine-learning tool has significantly speeded up calculating the thermodynamics of chemical reactions, making it possible to identify the most promising fuels for lower emissions and greater engine efficiency in seconds. Developed as part of the U.S. An open-access paper on the work is published in Nature Communications.

Emissions

Emissions Engine Fuel Fuel Economy

WUSL team develops bifunctional catalyst for unitized regenerative fuel cells

Green Car Congress

OCTOBER 7, 2021

Louis (WUSL) has developed a bifunctional catalyst for the oxygen electrode in a unitized regenerative fuel cell (URFC). Unitized regenerative fuel cells (URFCs) combine the functionalities of both electrolyzers and fuel cells in a single cell/stack, enabling lower weight, volume, and capital cost. Zero, ideally.”

St. Louis

St. Louis Fuel Hydrogen Energy Storage

Toyota, Kenworth tout fuel cell electric truck capabilities with completion of truck operations for ZANZEFF

Green Car Congress

SEPTEMBER 23, 2022

The baseline for the Toyota-Kenworth T680 FCEV truck—codenamed “Ocean”—was a 2017 diesel engine operating about 200 miles a day. Kenworth designed and built the Class 8 T680 FCEVs, while Toyota designed and built the powertrain’s fuel cell electric power system powered by hydrogen. Earlier post.).

Kenworth

Kenworth Los Angeles Toyota Fuel

Co-Optima team publishes details on its boosted SI engine research and figure of merit

Green Car Congress

SEPTEMBER 16, 2020

For the past four years, the US Department of Energy’s Co-Optima team ( earlier post ) has focused research efforts on turbocharged (or “boosted”) spark-ignition (SI) engines, which is the dominant combustion approach for light-duty vehicles such as passenger cars and light trucks.

Engine

Engine Idaho Fuel Renewable

Researchers develop selective catalyst that curbs corrosion in automotive fuel cells

Green Car Congress

MAY 14, 2023

A research team led by Professor Yong-Tae Kim and PhD candidate Sang-Hoon You at Pohang University Of Science & Technology (POSTECH) has developed a selective catalyst that curbs corrosion in fuel cells used for hydrogen-powered automobiles. Fuel cells are susceptible to numerous factors that deteriorate their durability. 2c02656

Fuel

Fuel Hydrogen Automobile Supplies

Load-control strategies for ammonia-hydrogen dual-fuel engine for hybrid power systems

Optimized heavy-duty CI engine fueled with DME delivers diesel performance, significantly reduces engine-out emissions

Korean team develops 2L-class direct-injection hydrogen-fueled engine

Cummins unveils 15L hydrogen engine

Co-Optima FY20 report highlights advances in engines-fuels research

KAUST develops AI framework for design of fuels optimized for engine efficiency and lower emissions

ClearFlame Engine Technologies partners with Alto Ingredients to demo ethanol-fueled MCCI in heavy-duty diesels; high efficiency, low emissions

SwRI engineers develop near-zero emissions diesel engine technology; 90% reduction of NOx

SJTU team investigating ammonia HCCI combustion in free piston engine

ORNL team achieves diesel-like efficiency with SI engine

Argonne helps optimize piston bowl design for Caterpillar heavy-duty engines using high-performance computing

MAN D3876 engine ensures high thrust and future-proofing in PistenBully 800; engine basis for possible H2 variant

Fairbanks Morse Defense, ORNL collaborate on developing low-lifecycle carbon fuel (LLCF) technology for marine engines

New combustion system for ethanol/octanol dual fuel combination reduces soot, increases efficiency

MIT team exploring using LOHCs directly on-board hydrogen-fueled trucks

UNSW Syndey team develops hydrogen-diesel dual fuel system; 90% H2, more than 85% reduction in CO2

Engineered E. coli could make carbohydrates, renewable fuel, from CO2

Researchers scale-up hydrogen and ethanol production from engineered bacteria

CARB: clean fuels replaced more than 50% of diesel used in California in Q1 2023

Study on effects of ammonia-diesel blends in CI engines

KAUST researchers show blending ammonia with DME yields low-carbon fuel with combustion properties similar to gasoline

California Assemblymembers introduce bill phasing out gasoline-fueled small off-road engines

Synhelion starts construction of DAWN demo plant to produce solar fuels

Researchers investigate super-knock in SI engines running on hydrogen/methane blends

Canada launches $1.5B Clean Fuels Fund with call for proposals

New Argonne partnership with Cummins, Convergent, Sandia to predict fuel injector dynamics

PNNL team develops onboard fuel separation technology to enable octane-on-demand for improved fuel economy

Airbus invests in Venus Aerospace; liquid-propellant rotating detonating rocket engine

MIT team proposes flex-fuel gasoline-alcohol engine PHEV long-haul trucks

DOE to award $30M to support production of rare earths and other critical minerals from coal-based resources

Researchers demonstrate fossil fuel-free jet propulsion with air plasmas

WUSTL team develops high-power direct borohydride fuel cells; double the voltage of conventional H2 fuel cells

Cummins beginning development of medium-duty and heavy-duty hydrogen combustion engines; H2-ICE program

UNL study finds non-flex fuel vehicles can adapt to E30 gasoline without performance compromise; fuel efficiency comparable to E15

Kalmar collaborating with Toyota Tsusho America and Ricardo on fuel cell terminal tractors

Sandia team develops gasoline-like fuel blend with high renewable content that simultaneously increases ?-sensitivity, RON, and octane sensitivity

Hylane GmbH buys 18 Hyzon fuel-cell-electric trucks

Final California deadline for upgrading heavy-duty diesels to MY2010 or newer engines

Argonne researcher using hydrous ethanol as a dual fuel to lighten the carbon footprint of locomotives

New tool accelerates identification of most promising fuels for reducing emissions & improving engine efficiency; Co-Optima

WUSL team develops bifunctional catalyst for unitized regenerative fuel cells

Toyota, Kenworth tout fuel cell electric truck capabilities with completion of truck operations for ZANZEFF

Co-Optima team publishes details on its boosted SI engine research and figure of merit

Researchers develop selective catalyst that curbs corrosion in automotive fuel cells

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