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Southwest Research Institute engineers have developed the next generation of clean dieselengine technology to reduce hazardous nitrogen oxides (NO x ) and carbon dioxide emissions while minimizing fuel consumption. —SwRI Research Engineer Bryan Zavala, a member of the low NO x development team.
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.
opposed-piston heavy-duty dieselengine 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 ). liter engine. Achates Power’s innovative 3-cylinder, 10.6L Rendering of the 10.6-liter
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.
liter, heavy-duty opposed-piston, three-cylinder dieselengine 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. liter engine. Achates Power announced that the 10.6-liter,
Southwest Research Institute (SwRI) is helping a client develop a simple post-refinery treatment process that reduces exhaust emissions from dieselengines by overcoming the soot/nitrogen oxides (NO x ) reduction trade-off that has plagued engine researchers for decades.
Vitesco Technologies, formerly (until September 2019) the Continental Powertrain Division, has won a major contract from an European vehicle manufacturer for the supply of innovative electric heating elements for diesel catalytic converters. In the Super Clean Electrified Diesel, the efficiency of exhaust gas aftertreatment rises to 97%.
Argonne National Laboratory is helping Caterpillar improve efficiency and reduce emissions in their heavy-duty dieselengines. Heavy-duty dieselengines still power most large vehicles used in the construction, mining and transportation industries in the United States.
A research consortium led by Ford Research and Innovation Center Aachen is currently investigating the technical conditions under which diesel vehicles can run on dimethyl ether (DME) as an alternative fuel. With dynamic blending, even flex-fuel operation (diesel or DME/diesel) would be possible while retaining the original diesel system.
Empa, together with FPT Motorenforschung AG Arbon, Politechnico di Milano, lubricant manufacturer Motorex and other partners, is exporing the use of DME as a fuel for heavy-duty engines. A DME test engine has been in operation on a dynamometer in Empa’s Automotive Powertrains Technologies Laboratory. —Patrik Soltic.
POWERFUL two-cylinder, two-stroke diesel. HYDIVU is a 48V mild-hybrid diesel solution to bring down consumption and emissions in LCVs. 48V mild-hybrid diesel LCV Click to enlarge. Downspeeding: this reduces the running speed of the internal combustion engine by lengthening the gear ratios. POWERFUL two-stroke diesel.
for emissions-related violations affecting nearly 2,000 on-road and off-road dieselengines. The enforcement case began after the company informed CARB in 2015 that it had made unapproved repairs and modifications to CARB-certified on-road engines. The settlement includes a mandatory recall of affected vehicles and $6.4
million in Diesel Emission Reduction Act (DERA) grants to public and private partners in California. The funds will be used to retrofit and replace old, pollutingdiesel vehicles and equipment, including school buses, heavy-duty trucks, tractors and port equipment. The US Environmental Protection Agency (EPA) awarded $9.6
2010 engines emissions reduction relative to 2010, 2007, and 2004 US emission standards. For a number of the most important pollutants, levels were substantially lower than required by regulations. All the engines were equipped with after-treatment devices to reduce the emissions of particulate matter as well as oxides of nitrogen.
Areas of work being focused on by Volkswagen include the development of a high-performance dieselengine delivering 100 kW (134 hp) per liter of displacement and a new 10-speed dual clutch gearbox that reduces fuel consumption. Since 2000, the group has reduced the fuel consumption of its TDI and TSI engines by more than 30%.
ClearFlame Engine Technologies, a a startup developing net-zero engine technology ( earlier post ), successfully completed an on-road demonstration of its proprietary technology that enables a heavy-duty truck dieselengine to operate on low-carbon and carbon-negative fuels, including 100% renewable plant-based fuels.
The California Air Resources Board has approved a multi-pronged regulation that will significantly reduce NO x emissions from heavy-duty diesel trucks. All components of the new rule will be phased in, allowing engine manufacturers time to prepare for compliance.
Under the Environmental Protection Agency (EPA) National Clean Diesel Rebate program, public and private school bus fleet owners are eligible to apply for funding to replace school buses that have older, dirtier Dieselengines. Many of the nation’s school buses use dieselengines, which are durable and long-lasting.
A recently released total fuel cycle analysis for maritime case studies shows that natural gas fuels reduce some air quality pollutants substantially, and reduce major greenhouse gas (GHG) emissions slightly, when compared to conventional petroleum-based marine fuels (low-sulfur and high-sulfur). This is an important consideration.
Detroit Diesel will pay $28.5 million in a settlement with the US Environmental Protection Agency (EPA) and the US Department of Justice (DOJ) to resolve alleged violations of the Clean Air Act for selling heavy-duty dieselengines that were not certified by EPA and did not meet applicable emission standards.
Southern California Gas Company (SoCalGas) announced it will be working together with Sierra Northern Railway, Gas Technology Institute (GTI), and other technical experts to develop and test a zero-emission hydrogen fuel cell engine for a switcher locomotive. Earlier post.). SoCalGas is committing another $500,000 to advance the research.
The California Air Resources Board approved a new regulation designed to reduce pollution further from ocean-going vessels while docked at California’s busiest ports. These auxiliary engines power the electricity and other onboard operations during a vessel’s visit, which can run from less than one day to several days.
Marine engine designer and power system integrator WinGD and engine builder Hyundai Heavy Industries’ Engine Machinery Division (HHI-EMD) will strengthen their collaboration by partnering to develop environmentally sustainable two-stroke engine technology. Up to 5g/kWh fuel consumption reduction in diesel mode.
The VW diesel scandal began on 18 September 2015. On the opening day of the Frankfurt International Motor Show (IAA), the US Environmental Protection Agency (EPA) published a Notice of Violation: VW dieselengines with 1.6 liter engines of the EA 189 series had decreased by more than 36%. Expensive lawsuits followed.
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. Public agency and utility vehicles (not federal).
Two-stroke diesel in test car. The objective of POWERFUl was to design engines for light-duty urban and micro-urban vehicles (segment A and B), capable of reducing CO 2 and criteria pollutant emissions. We have been able to reduce the engine weight by between 50 and 60% with regard to the equivalent four-stroke engine.
300 million criminal penalty over dieselengines that polluted more than they were allowed by regulations. Fiat Chrysler Automobiles, part of the Stellantis group, was sentenced Monday to pay a U.S. The Detroit federal court's decision is a result of a Justice Department investigation and includes a fine of $96.1
Nevertheless, it is important to say that a gentle BEV driver, with the benefit of regenerative braking, can more than cancel out the tire wear emissions from the additional weight of their vehicle, to achieve lower tire wear than an internal combustion engine vehicle driven badly. x 10 11 #/km for diesels. —Emissions Analytics.
A “well-to-wheel” life cycle assessment (LCA) by a team from synthetic fuels producer Greyrock ( earlier post ), and the National Renewable Energy Laboratory (NREL) has determined the potential reduction of greenhouse gases and criteria pollutant emissions from the use of synthetic fuels directly converted from flare gas. billion liters (18.8
Several organizations, encompassing companies, research labs, and academia, have formed the Hydrogen Opposed Piston Engine Working Group. The Working Group consists of members undertaking research and development in the field of hydrogen combustion in an opposed-piston engine. The only criteria emission of concern is NO x.
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. —Daniel Cohn.
Based on a three-year study of toxic and environmentally relevant pollutants from gasoline direct injection (GDI) engines, Swiss researchers have concluded that some GDI engines emit just as many soot particles as unfiltered diesel cars did in the past. Further, the GDI particles carry numerous carcinogenic substances.
The proposed regulation is intended to ensure reductions in smog-forming NO x and protect communities most impacted by air pollution. On-road heavy-duty vehicles are an essential part of the state’s economy. Source: CARB.
Diesel is currently taxed at a lower level than gasoline in Europe; however, since 2011 the EC has been considering reversing that situation by making energy taxes systematically reflect the CO 2 performance of the energy product. As on a volumetric basis, diesel contains more carbon than gasoline, the tax on diesel fuel would increase.
Thirty-seven globally prominent scientists representing the International Journal of Engine Research have published an open-access editorial addressing the future of the Internal Combustion Engine, and stressing the importance for continued development of more efficient and even lower-emitting technologies. —Reitz et al.
liter dieselengine for use in FCA US’ Jeep Grand Cherokee and Ram 1500 vehicles that would be sold in the United States. liter diesel program’s goals, timing, and marketing strategy. liter diesel program’s goals, timing, and marketing strategy.
Mercedes-Benz will replace conventional aluminum pistons with a new generation of steel pistons in the V6 dieselengine of the E 350 BlueTEC in September. Mercedes-Benz has already announced the coming use of steel pistons in the OM 626 four-cylinder diesel produced by Renault and applied in the C-Class Estate. Earlier post.).
The project will build and install diesel-fueled two-stroke compression-ignition Achates Power Opposed-Piston Engines into Class 8 demonstration trucks that will be road-road ready in 2019 and operate in fleet service in California in 2020. This program will demonstrate the first dieselengine to comply with the state standard.
In a study on the effect of exhaust particles from aircraft turbine engines on human lung cells, Swiss researchers have found that cells reacted most strongly to particles emitted during ground idling. The study also showed that the cytotoxic effect is only to some extent comparable to that of particles from gasoline and dieselengines.
The companies failed to install particulate filters on some of their heavy-duty diesel trucks and failed to verify that trucks they hired for use in California complied with the state rule. Heavy-duty trucks can emit drastically higher levels of pollution when not equipped with required emissions controls. Schneider National, Inc.
Eligible diesel vehicles, engines and equipment may include drayage trucks; marine engines; locomotives and non-road engines; and equipment or vehicles used in the handling of cargo at a marine or inland water port. Certified Engine Repower: up to 40% of the cost (labor and equipment) of an eligible engine repower.
Infants born to women exposed to high levels of air pollution in the week before delivery are more likely to be admitted to a newborn intensive care unit (NICU), suggests an analysis by researchers at the US National Institutes of Health (NIH). Short-term exposure to most types of air pollutants may increase the risk for NICU admission.
This option is an addition to the range of technologies and sustainable fuels that Irizar is currently offering, including electric buses, diesel coaches, biofuel, natural gas, HVO, hybrid, biofuel and B100. Beyond providing greater thermal performance than diesel, noise levels are also reduced by 50%.
Tula Technology is presenting its diesel Dynamic Skip Fire (dDSF) technology ( earlier post ) at the 4 th Future Diesel Powertrain Summit China 2020 on 24-25 September 2020 in Shanghai, China. Engine controller with dDSF: Tula’s proprietary SW for smooth, efficient operation and fuel economy gains. dDSF Simulation Project.
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