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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.
opposed-piston (OP) heavy-duty dieselengine achieved Ultralow NO x (ULNO x ) performance results. A key element of the achievement is the low engine-out NO x from the opposed-piston engine, which reduced the requirements for the aftertreatment system (ATS). Earlier post.)
TDI diesel for Euro 6d; SCR twin-dosing. Volkswagen continues to refine its most important dieselengine, the 2.0-liter With SCR twin dosing technology in the exhaust gas system, the diesel unit now undercuts the Euro 6d emission standard limits while also running quietly and smoothly, according to the company.
Exhaust particle size distributions measured by ELPI (color map) and particle concentration measured by CPC (white line) during individual engine braking conditions (speed change from 32 km/h to 0 km/h). The starting point of engine braking is marked by a vertical green line, and the end point is marked by a vertical red line.
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 dieselengines using low-cost ethanol in Class 8 trucks. In fact, it increases power by 25%.
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
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,
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 InnoTrans 2018, the International Trade Fair for Transport Technology, MAN Engines is exhibiting the D3876 LE63x for locomotives, which produces 471 kW (632 hp) at 1,800 rpm. The MAN D3876 LE63x meets EU Stage V for locomotives without the need for exhaust after-treatment systems.
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 commercial dieselengines, including those developed for off highway applications. tonnes gross vehicle weight.
New Duramax 4-cylinder diesel. Chevrolet Sales Thailand introduced the new-generation MY14 Duramax four-cylinder turbo-dieselengine in 2.5- The new Duramax engine was engineered in Europe and the US, with global application as one of its developmental objectives. Click to enlarge. liter variants. liter and 2.8-liter
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.
Mercedes-Benz Trucks is introducing the third generation of its OM 471 heavy-duty dieselengine this year; the engine will deliver increased fuel efficiency and compliance with the strictest emissions standards such as Euro VIe. Warm side (top) and cold side (bottom) of OM 471 engine.
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 ). x 10 11 #/km for diesels. A summary of the results is shown in the table and chart (log scale) below. —Emissions Analytics.
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.
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 dieselengine produces 161 hp (120 kW) and 265 lb-ft (359 N·m) of torque at 1,400-2,400 rpm.
The aim is to help meet more stringent emissions standards such as US 10 and Euro VI; higher injection pressures help lower fuel consumption and emissions. This increases flexibility in terms of engine design, promotes lower exhaust and fuel consumption levels, and results in even quieter operation.
The Yuchai YCK16H hydrogen-fueled engine was successfully ignited in Yulin, Guangxi. The engine, with a displacement of 15.93 liters and a maximum horsepower of 560 hp, is the largest hydrogen-fueled engine with the largest displacement and horsepower in China.
BMW will introduce the diesel-engined BMW 740Ld xDrive Sedan in the US. liter TwinPower Turbo dieselengine in the long-wheelbase 7 Series body and will include xDrive, BMW’s intelligent all-wheel drive system. liter inline-6 BMW Advanced Dieselengine features a single turbocharger with variable vane turbine technology.
Caterpillar engineers have been exploring a novel 6-stroke compression ignition engine cycle in search of a low-emission system that retains fuel efficiency. The fourth stroke omits the conventional exhaust event in order to recompress the combustion gases. —Williams et al.
Mercedes-Benz has begun sales of two diesel models of the new GLE SUV which already comply with the coming Euro 6d emissions standard. The OM 656 six-cylinder dieselengine comes with 243 kW (330 hp) and 700 N·m of torque in the GLE 400 d 4MATIC (combined fuel consumption: 7.5-7.0
Since 2018, Volkswagen has used only SCR exhaust gas treatment systems with its dieselengines. SCR (selective catalytic reduction) technology significantly reduces nitrogen oxides in the exhaust gas. TDI Evo engines. The twin dosing process compensates for a system-based disadvantage of dieselengines.
In a study in the journal Fuel , researchers in India report that diesel modified with nanoparticles of aluminum (Al), iron (Fe) or boron (B) reduced specific fuel consumption by up to 7% compared with standarddiesel. These “nano-fuels” showed reduced ignition delay, and longer flame sustenance. —Mehta et al.
These vehicles are also significant sources of oxides of nitrogen (NO x ) and particulate matter (PM), contributing nearly 31% of all statewide NOx emissions as well as 26% of total statewide diesel PM emissions. The NO x standards would be cut to about 75% below current standards beginning in 2024 and 90% below current standards in 2027.
According to MAN Engines, all MAN off-road engines from the current product portfolio can be operated with regenerative diesel—also known as HVO (hydrogenated vegetable oil)—in accordance with the EN15940 standard in Europe or the US specification ASTM D975.
BMW is making a number of adjustments to its powertrain lineup from spring 2018, including new diesel aftertreatment systems for its smaller diesel models; gasoline particulate filters on more gasoline models; and a new dieselengine for the X3. New X3 diesel.
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 Cruze Diesel is identified by a discreet badge on the trunk. US buyers hunting for a non-premium diesel passenger car (i.e., Accordingly, Volkswagen of America (VoA) diesel sales to date in 2014 represent slightly north of 23% of all Volkswagen of America sales. Click to enlarge. of sales of the vehicle. Earlier post.)
IAV has developed a particularly closed-coupled dieselexhaust gas aftertreatment (EAT) system. Future diesel powertrains will need to be capable of meeting limit values that are even tighter than EU6. IAV’s developers moved the EAT system closer to the engine—specifically, the turbocharger and EAT swap places.
turbo dieselengine featuring a first-in-class 1,000 pound-feet (1,356 N·m) of torque. In addition to an increase in torque, the engine also has a higher horsepower output, taking the 2500 and 3500 heavy-duty RAM pickup truck customers to the next level of performance. At NAIAS 2019, Cummins Inc. 2019 Ram Heavy Duty 6.7-liter
CAT-DEF—Catalyzed DieselExhaust Fluid—is an SwRI-developed catalyst- and surfactant-modified dieselexhaust fluid (DEF) solution. The internally funded advancement successfully reduced heavy-duty dieselengine nitrogen oxide (NO x ) emissions to meet the California Air Resources Board (CARB) 2027 standards.
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.
Fiat 500L running in the Bosch Diesel Challenge. MultiJet II 105 HP diesel with Start&Stop, covered the 800-kilometer (497-mile) route from Turin to Paris on an average of 27 liters (7.1 MultiJet II 105 HP diesel with Start&Stop, covered the 800-kilometer (497-mile) route from Turin to Paris on an average of 27 liters (7.1
The new MINI features an all-new vehicle architecture, an evolutionary design and a range of new fuel-efficient engines. The lowest fuel consumption and CO 2 levels comes in the MINI Cooper D with a 3-cylinder diesel: 3.5 – 3.6 The new MINI features a new generation of engines with MINI TwinPower Turbo Technology. mpg US / 45.3
2010 engines emissions reduction relative to 2010, 2007, and 2004 US emission standards. earlier post ), found that emissions of NO 2 and other nitrogen oxides—which can have direct health effects and contribute to the formation of smog—were approximately 61% below the 2010 EPA standard and 99% lower than in 2004 engines.
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.
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 ). This heats up the exhaust system without driving up fuel consumption. The new G 350 d (fuel consumption, combined: 9.8-9.6
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%.
HJSC) have respectively ordered seven and two MAN B&W G80ME-LGIM dual-fuel engines in connection with the construction of 9 × 9,000 TEU container vessels for HMM Co., The G80 engines will, upon delivery, be connectivity-ready and prepared for digital services such as PrimeServ Assist. Hyundai Samho Heavy Industries Co.
Vehicle technologies span a range from new Si/graphene Li-ion anode materials and composites for motor windings to diesel aftertreatment and advanced lubricants. Mainstream Engineering Corp. Hybrid Electric Turbocharger for Exhaust Energy Recovery and Transient Lag Reduction. Mainstream Engineering Corp. Description.
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.
Relative (percent) CO 2 emissions benefit of the new natural gas variant as compared to the 220 kW dieselengine. Among its trucks on display at the upcoming IAA in Hanover, Mercedes-Benz will showcase an Econic equipped with its new Euro VI medium-duty natural gas engine (M 936NGT), which is derived from the 7.7-liter
The powertrain range for the Estate, which includes diesel, gasoline and hybrid options, features a new 1.6-liter liter 4-cylinder diesel (OM 626) produced by Renault. The new Estate’s gasoline and dieselengines with ECO start/stop function comply with the Euro 6 emissions standards. Technical data for the OM 626.
In a US Department of Energy (DOE)-sponsored project, engineers at Cummins are developing a Tier 2 Bin 2 emissions compliant diesel for application in a light duty pickup (ATLAS, Advanced Technology Light Automotive Systems, earlier post ). US Light Duty Diesel Emission Standards (full useful life: 150,000 miles).
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