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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.
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.
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.
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. diesel engines are expected to meet significant technical barriers in being able to meet future NO x regulations.
FCA US has reached final settlements on civil, environmental and consumer claims with US federal and state agencies as well as private class actions to resolve differences over dieselemissions requirements. The estimated total cost of settlements is $0.8 FCA US has also settled a putative class action on behalf of private consumers.
liter diesel engine for use in FCA US’ Jeep Grand Cherokee and Ram 1500 vehicles that would be sold in the United States. liter diesel engine 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.
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.
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. This means that the vehicles will be prepared to meet the future extremely stringent Euro 7 standard.
At the IAA Commercial Vehicles Show, Cummins introduced a concept emissions control system capable of minimizing emissions to levels previously thought unfeasible, including a possible next level of Euro VII regulations anticipated during the coming decade. Low NO x integrated system concept from Cummins. Euro 7 Vision.
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.
Bosch and Weichai Power have increased the efficiency of Weichai truck diesel engines from their current level of roughly 46% to 50%. Even though the diesel engine is nearly 130 years old, its development continues. Bosch provides its modular common-rail system for the six-cylinder diesel engine with 12.9 liters displacement.
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.
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. Earlier post.).
The US Environmental Protection Agency (EPA), USDepartment of Justice (DOJ), and California Air Resources Board (CARB) announced a proposed settlement with Daimler AG and its American subsidiary Mercedes-Benz USA, LLC resolving alleged violations of the Clean Air Act and California law associated with emissions cheating.
This new generation of diesel and gasoline engines offers higher efficiency. Its development already ensured that engine technology is taking a further step towards reducing emissions and improving air quality. At the same time, it is also technically enabled for future regulatory requirements.
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. In fact, it increases power by 25%.
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.
Tula Technology is presenting its diesel Dynamic Skip Fire (dDSF) technology ( earlier post ) at the 4 th FutureDiesel Powertrain Summit China 2020 on 24-25 September 2020 in Shanghai, China. dDSF technology enables manufacturers of commercial vehicles to meet the increasingly stringent emissions regulations in China.
opposed-piston (OP) heavy-duty diesel engine achieved Ultralow NO x (ULNO x ) performance results. This accelerated the time to light-off the underfloor SCR on filter while minimizing the NO x emissions until that time, Redon said. Earlier this month, Achates Power announced that its innovative 3-cylinder, 10.6L Earlier post.)
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.
developer of Dynamic Skip Fire cylinder deactivation technology ( earlier post ), collaborated on a significant technical demonstration of diesel Dynamic Skip Fire (dDSF) cylinder deactivation. Cummins’ X15 Efficiency Series 6-cylinder diesel engine enhanced with Tula’s diesel Dynamic Skip Fire (dDSF). Cummins Inc.
A new study by the International Council on Clean Transportation (ICCT) assesses the near-term charging and refueling infrastructure needs for zero-emission Class 4-8 medium- and heavy-duty vehicles (MHDV) at the national and sub-national levels. Upgrades on a project-by-project basis are unlikely to meet future needs.
A new total cost of ownership (TCO) study from the National Renewable Energy Laboratory (NREL) finds that battery-electric and fuel-cell electric commercial trucks could be economically competitive with conventional diesel trucks by 2025 in some operating scenarios. —Hunter et al.
UK Transport Minister Trudy Harrison announced more than £200 million (US$244 million) of government funding will be injected into an extensive zero-emission road freight demonstrator program. But we must accelerate our journey towards our net zero goals, and we’re committed to leading the way globally on non-zero emission road vehicles.
CO 2 and NO x certification test data for heavy-duty diesel engines certified from 2002 through 2019. The transportation sector was responsible for over 7 million tons of NO x emissions in the US in 2014, with 50% of this sector’s NO x attributed to heavy-duty on- and off-road vehicles and equipment. Source of data: US EPA (2019).
Since 2018, Volkswagen has used only SCR exhaust gas treatment systems with its diesel engines. TDI Evo with 110 kW (150 PS), which already meets the technical requirements of the future Euro 6d emission standard as a result. Current RDE (real driving emissions) measurements confirm Volkswagen’s type approval: in the new 2.0
Kiel-Toshiba Railway Europe GmbH (TRG), a wholly owned subsidiary of Toshiba Infrastructure Systems and Solution (TISS), Toshiba Group’s core group in the infrastructure business, will showcase Toshiba’s modular diesel electric hybrid locomotives at Transport Logistic 2019 this week. Catenary operation via pantograph (optional).
Mercedes-Benz has expanded the powertrain line-up of its new G-Class with an efficient diesel variant. l/100 km; combined CO 2 emissions: 259-252 g/km) is equipped with an OM 656 diesel( earlier post ). l/100 km, combined CO 2 emissions: 276-263 g/km), the AMG G 63 (fuel consumption, combined: 13.1 The most efficient G.
Customers of the Volkswagen Passenger Cars brand in Germany are once again placing more orders for diesel vehicles. In 2018, the share of incoming orders for vehicles equipped with the latest diesel technology as a proportion of the overall vehicle portfolio was 43% compared to 39% in 2017.
UK Prime Minister Boris Johnson confirmed that the government will accelerate the ban on the sale of new gasoline and diesel vehicles, bringing it forward by ten years to 2030, as part of a “Green Industrial Revolution.” The sale of hybrid cars will be allowed until 2035. billion (US$1.7
Ricard, in partnership with Stagecoach North East, has repowered a diesel, double decker bus with a hydrogen fuel cell propulsion system. Delivering zero tailpipe emissions, Ricardo is now seeking to secure customers to invest in the production of a fleet of passenger vehicles fit for the future of sustainable shared mobility.
Lightning Systems, a global developer of zero-emission solutions for commercial fleets, is partnering with the City of Boulder and transit provider Via Mobility Services to repower diesel buses with battery-electric systems. People in Boulder are very interested in reducing the carbon footprint in all that we do.
Voltabox AG secured a long-term framework contract with e-troFit GmbH as the preferred supplier of high-performance battery systems for e-troFit’s conversion solutions for diesel buses. —Andreas Hager, CEO of e-troFit GmbH. e-troFit is a subsidiary of the technology company in-tech GmbH.
LH2 Europe will use the abundant renewable electricity in Scotland to produce green hydrogen and market it at a competitive price with diesel. Hydrogen will be essential to the future of energy. This tanker design is a key step in providing the infrastructure to make that clean energy future a reality. Vessel specifications.
Power management company Eaton’s Vehicle Group has demonstrated cylinder deactivation (CDA) as an effective technology for meeting future global emissions requirements for diesel-engine powered commercial vehicles. New emissions regulations spearheaded by the California Air Resources Board (CARB), U.S.
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.
Now, MIT engineers are proposing using an ammonia-based selective catalytic reduction (SCR) system that could result in an approximately 95% reduction in NO x emissions in exchange for a ~0.5% The trend towards smaller engine cores with smaller mass flow rates in the core stream, presents new opportunities for emissions control.
The new report is a companion to a report released by MECA in June 2019 that provides an assessment of market-ready technologies for heavy-duty diesel vehicles to meet lower intermediate NOx standards by 2024 (“ Technology Feasibility for Model Year 2024 Heavy-Duty Diesel Vehicles in Meeting Lower NOx Standards ”). —Ed].
Honeywell recently introduced a single-stage UOP Ecofining technology offering for the production of renewable diesel fuel. The single-stage Ecofining process produces Honeywell Green Diesel fuel which is chemically identical to petroleum-based diesel and can be used as a drop-in replacement in vehicles with no modifications.
liter CRDi 48V diesel powertrain introduced in the New Tucson in 2018, Hyundai Motor has now combined its efficient and responsive 48V mild hybrid technology with the 100 kW/136-PS 1.6-liter liter CRDi diesel engine. It will be available in combination with more engines in the future. In addition to the 2.0-liter
Since internal combustion engines will remain the primary mode of choice for mobility in the foreseeable future, both alternative (renewable) fuels and high-performance combustion concepts/ engines using fuels adapted for that purpose will be preferred for reducing the combustion impact on climate change. 2018) “Future transportation fuels.”
A new brief published by the International Transport Forum (ITF)—an intergovernmental organization at the OECD with 59 member countries— identifies proven measures that decrease road freight’s CO 2 emissions. This will offset any expected efficiency gains and lead to an increase in emissions by 2050, not a reduction.
Performance Team – A Maersk Company, a warehousing and distribution company, has placed an order for 16 Volvo VNR Electric Class 8 trucks ( earlier post )—the largest commercial order of the North American zero-tailpipe emission model to date. —Jason Walker, executive vice president of operations of Performance Team – A Maersk Company.
The chart from the report shows the product-specific WTW GHG emission results of co-processed renewable fuels for gasoline, diesel, jet fuel, and LPG in terms of gCO 2 e/MJ renewable fuels, compared with the WTW GHG emissions of petroleum products.
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