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opposed-piston (OP) heavy-duty diesel engine achieved Ultralow NO x (ULNO x ) performance results. In that mode, Achates was able to reduce NO x below the original target and increase exhaust temperatures further. The team studied a commercially available, current production aftertreatment system consisting of a DOC/DPF/SCR/ASC.
As it outlined in 2010, Bosch has increased the maximum injection pressure of its CRSN3-25 injection system for medium- and heavy-duty commercial vehicles to 2,500 bar. This increases flexibility in terms of engine design, promotes lower exhaust and fuel consumption levels, and results in even quieter operation.
At the 17 th Supercharging conference this week in Dresden, Controlled Power Technologies (CPT) will launch what it says is the first water-cooled electric supercharger developed for “quasi-continuous” boosting of commercialdiesel engines, including those developed for off highway applications. tonnes gross vehicle weight.
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 Earlier post.).
During their experiments, the scientists happened to notice that a strange odor developed when commercial cement was mixed with water. The current method is based on the width of surface cracks in concrete and a simple chemical test; however, it only gives an incomplete picture of the level of damage.
At the IAA in Hanover (Germany), Continental is presenting new solutions for exhaust gas aftertreatment in commercial vehicles. The technologies being shown are designed to help system suppliers and OEMs meet new exhaust emissions standards such as Euro VI (2013) and US10 /Tier4f. SCR development progress.
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.
Under laboratory-simulated dieselexhaust conditions, this mixed-phase oxide material was superior to Pt in terms of cost, thermal durability, and catalytic activity for NO oxidation. Mullite is not only easier to produce than platinum, but also better at reducing pollution in diesel engines. Kyeongjae Cho. CO 2 + 2NO, NO 2 + C?CO
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.
The researchers found that biodiesel has many advantages over regular diesel even in a very low blend percentage, including low emissions of particulate matter, combustion elements (mainly sulfur), elemental carbon, and carbon monoxide. Ultra-low-sulfur diesel (ULSD) was used as base fuel.
Southwest Research Institute (SwRI) is helping a client develop a simple post-refinery treatment process that reduces exhaust emissions from diesel engines by overcoming the soot/nitrogen oxides (NO x ) reduction trade-off that has plagued engine researchers for decades.
Vehicle technologies span a range from new Si/graphene Li-ion anode materials and composites for motor windings to diesel aftertreatment and advanced lubricants. Hybrid Electric Turbocharger for Exhaust Energy Recovery and Transient Lag Reduction. NO x Sensor for Diesel Engine Emissions Systems. Lead organization. Description.
Borla Performance Industries , a leader in the design and manufacture of stainless steel performance exhaust, has an option to license a novel nanopore membrane technology developed at Oak Ridge National Laboratory (ORNL). Resources.
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. Testing with the new low-load cycle (LLC) resulted in a 5% drop in CO 2 while dramatically reducing NO x.
liter Power Stroke diesel will be Ford’s second in North America. liter Power Stroke five-cylinder diesel. The new diesel engine, Ford’s second in North America, has already been applied in the global Ford Ranger truck sold in world markets (3.2 5-cylinder diesel. Ford’s 5-cylinder, 3.2-liter Click to enlarge.
Under the agreement, Cummins QSK95 diesel engines will be used in Siemens’ diesel electric locomotives in the US. The locomotives will also deploy an exhaust aftertreatment system purpose-designed for locomotive installations, using Selective Catalytic Reduction (SCR) technology.
Relative (percent) CO 2 emissions benefit of the new natural gas variant as compared to the 220 kW diesel engine. liter Euro VI M 936 inline six-cylinder diesel. CO 2 emissions are up to 22% below those of diesel (during high-load conditions), even with the lower efficiency of an Otto-cycle SI combustion engine relative to diesel.
A study by a team at Texas A&M University found that cylinder-to-cylinder variation in a multi-cylinder diesel engine increased substantially when transitioning to a low-temperature combustion (LTC) mode. LTC regimes are seen as a promising low-emissions, fuel-efficient alternatives to conventional diesel combustion.
Continental has acquired 100% ownership of the exhaust technologies specialist Emitec. Continental already has a comprehensive product portfolio in the field of exhaust-gas aftertreatment and works closely with Emitec. On the other side, Emitec is strongly represented in the commercial-vehicle and two-wheeler sector.
a new 5-liter V8 diesel engine designed to power pickup-and-delivery vehicles, other light- and medium-duty trucks, school buses and motorhomes. extends Cummins range of on-road diesel engines for North American vehicles. V8 Turbo Diesel to be used in the Nissan Titan pick-up truck ( earlier post ), the ISV5.0 Diesel Engines'
The 2014 Ram ProMaster will go on sale beginning in the 3 rd quarter 2013 and will join the smaller Ram Cargo Van as an additional van offering to compete with other full-size commercial vans. has produced its 2-millionth diesel engine for Ram Trucks: a 350 hp (261 kW), 6.7-liter, Separately, Chrysler announced that Cummins Inc.
The scientists intend to provide sound data on the combustion process, efficiency and environmental impact of DME in the commercial vehicle sector. The diesel engine on the Empa test facility was tuned to DME. An electrically driven compressor for precise exhaust gas recirculation is also used. Image: Empa. —Patrik Soltic.
One of the technical highlights of the new OM 93x is the variable valve timing, which features for the first time in a diesel engine, Mercedes-Benz said. The engines also feature a cooled exhaust gas recirculation system. This lightweight yet solid design was first seen in a commercial vehicle engine a year ago, in the OM 471.
A discussion paper published by the United Nations Economic Commission for Europe (UNECE) asserts “ with a high degree of reliability that it is misleading to claim that people’s exposure to diesel engines of road motor vehicles is the cause of increased risk of lung cancer. ”. —“Diesel Engines Exhausts: Myths and Realities”.
Diesel engine torque output as a function of the engine speed (rpm) for the tested fuels. The team determined the key physical properties of each biodiesel and compared them with commercial soybean biodiesel. Each fuel was then used to operate a two-cylinder indirect injection diesel engine attached to an eddy current dynamometer.
At the IAA, MAN (part of the Volkswagen Group) presented a concept diesel-electric parallel hybrid version of its long-haul TGX truck. The MAN TGX concept hybrid will be driven by a parallel hybrid system, supplied by a 440 hp (328 kW) diesel engine and an electric motor with 130 kW drive power. MANs TGX hybrid concept at IAA.
Bosch, a leading supplier of technology for diesel engines, recently provided an overview of trends it sees in the diesel engine marketplace globally. In addition to the ongoing strength in the European market and India (the second-largest diesel market after Europe, Bosch sees potential strength in North America and China.
Their SOFC system can be operated without consuming the anode fuel (a reductant) at temperatures near that of the engine exhaust to eliminate the need for reductant refilling and extra heating. The NO x concentration in the exhaust of an automotive gasoline engine with spark ignition can be as high as 4000 ppm. —Huang 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.
Eberspaecher Exhaust Technology International GmbH and China Yuchai International Limited will form a joint venture company: Eberspaecher Yuchai Exhaust Technology. The JV Company will produce and sell exhaust emission control systems for Chinese commercial vehicles to meet the highest domestic emission standard, China National 6.
A KAIST research team has developed a fully dispersed Rh ensemble catalyst (ENS) that shows better performance at lower temperatures than commercialdiesel oxidation catalyst (DOC). This newly developed ENSs could improve low-temperature automobile exhaust treatment. 8b04613.
The new MY2014 Mercedes-Benz Sprinter van for the US now features a 2.1L, 4-cylinder diesel with a t-speed automatic transmission as standard. The familiar V6 diesel is available as an option. liter four-cylinder diesel engine produces 161 hp (120 kW) and 265 lb-ft (359 N·m) of torque at 1,400-2,400 rpm.
ClearFlame Engine Technologies , a startup developing net-zero engine technology ( earlier post ), has secured $17 million in Series A financing, which will enable commercialization of the company’s innovative engine technology for the long-haul trucking, agriculture and power generation sectors.
Before the demo vehicle—a DAF CF 340 front loader with a Millennium XXL 40 body from Terberg HS—could be used to collect commercial waste, a conversion from standard diesel propulsion to hydrogen was required. In order to convert the diesel truck to hydrogen propulsion, the vehicle had to be completely gutted.
Amminex is introducing BlueFit: a hardware retrofit solution aimed at lowering NO x emissions on older diesel cars to meet and surpass the latest Euro 6 standard. The ASDS is installed in the spare wheel well and the SCR catalyst is fitted to the exhaust pipe under the car. liter engine (Euro 5) was retrofitted with BlueFit.
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. Cylinder deactivation also reduces excess engine airflow, increasing exhaust temperatures. dDSF Simulation Project.
The European Union-funded PowerDriver project—a two-year, €3-million (US$4-million) research project initiated in February 2012 to turn exhaust gas waste heat into electricity using thermoelectric generator (TGEN) technology—has completed simulation work on on a potential automotive application.
liter Power Stroke V8 turbo diesel now offers 440 horsepower (328 kW), up from 400 horsepower (298 kW), and 860 lb-ft (1,166 N·m) of torque, up from 800 lb-ft (1,085 N·m), across all Super Duty models from F-250 to F-450. turbo diesel in addition to Ford’s 6.8L Ford’s second-generation 6.7-liter V-10 gasoline engine. “
Volvo Trucks and Deutsche Post DHL Group have signed a cooperation agreement to accelerate the shift to zero-exhaust-emission vehicles. This will result in annually savings of nearly 600 tons of CO 2 and nearly 225,000 liters of diesel fuel for Deutsche Post DHL Group.
to LiquidPiston for development of 30kW X4 rotary diesel engine prototype. million to continue development of its 30kW X4 rotary diesel engine prototype, bringing DARPA’s total funding of the engine technology to $6M. DARPA awards additional $2.5M The US Defense Advanced Research Projects Agency (DARPA) has awarded LiquidPiston Inc.,
During its recent Innovation Day presentations ( earlier post ), PSA Peugeot Citroën announced that it will commercialize high-efficiency gasoline engines featuring dedicated exhaust gas recirculation (D-EGR), derived from a collaborative program with SwRI in the US. Source: SwRI, DEER 2012. Click to enlarge. PSA concept D-EGR engine.
Researchers at Environment Canada have found that vehicle exhaust is a significant source of isocyanic acid (HNCO), a toxic gaseous acid that is a product of various forms of combustion and a potential health concern. Automobile exhaust is also a known source of inorganic acids such as nitric (HNO 3 ) and nitrous (HONO) acids.
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 diesel engines with 1.6 For commercial vehicles with EA 189 engines—i.e. liter diesel the emissions were even 53% worse.
Coaches will be powered by an all-electric powertrain from Lightning eMotors, a developer of zero-emission vehicles for commercial fleets. While transportation is responsible for a quarter of global emissions, buses and diesel buses in particular play an outsized role in producing emissions that negatively impact the climate and environment.
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