This site uses cookies to improve your experience. To help us insure we adhere to various privacy regulations, please select your country/region of residence. If you do not select a country, we will assume you are from the United States. Select your Cookie Settings or view our Privacy Policy and Terms of Use.
Cookie Settings
Cookies and similar technologies are used on this website for proper function of the website, for tracking performance analytics and for marketing purposes. We and some of our third-party providers may use cookie data for various purposes. Please review the cookie settings below and choose your preference.
Used for the proper function of the website
Used for monitoring website traffic and interactions
Cookie Settings
Cookies and similar technologies are used on this website for proper function of the website, for tracking performance analytics and for marketing purposes. We and some of our third-party providers may use cookie data for various purposes. Please review the cookie settings below and choose your preference.
Strictly Necessary: Used for the proper function of the website
Performance/Analytics: Used for monitoring website traffic and interactions
Purem by Eberspaecher is introducing efficient exhaust technology for hydrogen engines. At the Hannover Messe, the company will be presenting its H 2 -ICE exhaust system for the first time. The H 2 -ICE exhaust system for hydrogen engines from Purem by Eberspaecher.
Rolls-Royce has conducted successful tests of a 12-cylinder gas variant of the mtu Series 4000 L64 engine running on 100% hydrogen fuel. For several months, the mtu gas engine has been undergoing bench testing and continuous improvement in terms of efficiency, performance, emissions and combustion using 100% hydrogen as fuel.
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. from 16.5)
This research, published in the journal Separation and Purification Technology , shows that ozone can be used to remove not only SO x but also NO x from fossil fuel combustion exhaust streams. In this study, to improve absorption performance of SO 2 and NO 2 , we added ozone in exhaust gas. 2018.12.077.
Initiated by MAN with partners from industry and research institutes, it aims to define the steps necessary to produce a dual-fuel, medium-speed engine capable of running on diesel-fuel and ammonia. Alexander Knafl, Head of R&D, Four-Stroke Engineering, MAN Energy Solutions. MAN Energy Solutions has begun the ‘AmmoniaMot’ project.
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.
Schematic of the conceptual ideal piston engine used for the TCR study. When reforming is not used, the fuel and exhaust pass through CV2 unchanged. When reforming is not used, the fuel and exhaust pass through CV2 unchanged. The syngas is then burned in the engine in place of some or all of the original fuel.
BASF researchers have further developed the three-way conversion catalyst and optimized its cleaning effect. The new four-way conversion catalyst, FWC, is a technology for vehicles with gasoline engines. The catalyst removes the gaseous pollutants and now also solids such as particulates from the exhaust gas flow.
Volkswagen continues to refine its most important diesel engine, 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. TDI took a step forward and was therefore given the suffix “evo”.
A team from National Tsing Hua University, Taiwan, reports that a low-temperature solid oxide fuel cell (SOFC) emissions control system for lean-burn engines can simultaneously reduce the high concentrations of NO x and oxidize hydrocarbon (HC) emissions.
The US Environmental Protection Agency (EPA) is proposing to make it easier for manufacturers to gain approval to sell fuel conversion systems. The proposed rule would cover conversions of light-duty vehicles and heavy-duty highway vehicles and engines, and would apply to all clean alternative fuels. Vehicle/Engine Age.
Catalytic converters have been used in the US since the 1970s as a way to clean up pollutants from vehicle exhaust. As cars have become more fuel-efficient, however, they use less energy and the temperature of the exhaust gases is lower, which makes it harder to clean up the pollutants. —Yong Wang.
A team at Monsanto and colleagues at AVL Powertrain have successfully designed and demonstrated an onboard low-temperature ethanol reformer that can be driven by exhaust heat. Many papers have described high-temperature steam reforming of ethanol at around 600 °C but.this temperature is too high to be driven by engineexhaust.
NO conversion versus ramp-up and ramp-down temperatures for MnCe-7:1 (?), Under laboratory-simulated diesel exhaust conditions, this mixed-phase oxide material was superior to Pt in terms of cost, thermal durability, and catalytic activity for NO oxidation. SmMn 2 O 5 (?), GdSrCeMn 7 O 14.83 (?), and Pt (?). Click to enlarge.
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 ). liter engine. Achates Power’s innovative 3-cylinder, 10.6L Rendering of the 10.6-liter Earlier post.).
Volvo Trucks is introducing a Euro-6-compliant heavy-duty engine, with NO x emissions lowered by 77% and PM emissions halved compared to Euro 5. The first implementation of the new engine is the D13 460 hp (343 kW) unit. The Volvo D13 for Euro 6 is based on Volvo’s Euro 5 engine. How the system works. Click to enlarge.
New medium-duty Euro VI engine. Mercedes-Benz unveiled a new generation of medium-duty engines with the series designation OM 93x. Together with the new heavy-duty OM 470 engine, Daimler is expanding its “BlueEfficiency Power” engine portfolio into a comprehensive range complying with the impending Euro VI emissions standard.
Libertine FPE, the creator of Smart Engine control technology for free piston engine (FPE) generators, has secured £2.6 Libertine says that free-piston range-extender engines can offer the efficiency of fuel cells, the durability of conventional engines and achieve carbon reductions using renewable fuels. million (US$3.6
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.
The US Environmental Protection Agency (EPA) has updated rules making it easier for manufacturers to sell fuel conversion systems—i.e., systems that alter a conventionally-fueled vehicle or engine to enable it to run on an alternative fuel. Vehicle/Engine Age Conversion Manufacturer Requirement Certificate Issued?
Ford will begin offering an alternative-fuels engine prep package for its 6.8-liter Ford presented details of the conversion option, which will become available this fall and enables the use of compressed natural gas (CNG) or propane (LPG, or liquefied petroleum gas), at the annual Ford Fleet Product and Business Conference in Dearborn.
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.
Since 2018, Volkswagen has used only SCR exhaust gas treatment systems with its diesel engines. 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 diesel engines.
The result is a set of usable conversion factors for distance-based CO 2 emissions among the different driving cycles. The ICCT team determined these factors on distinct levels of detail, characterized by technology parameters such as share of diesel engines in the fleet, vehicle size, share of hybrid systems, aerodynamic drag, and others.
Southwest Research Institute (SwRI) has built a demonstrator vehicle, based on a 2012 Buick Regal GS, incorporating the latest D-EGR (dedicated EGR) technology ( earlier post ), an outgrowth of SwRI’s HEDGE (High Efficiency Dilute Gasoline Engine) consortium projects ( earlier post ). The compression ratio of the engine was increased to 11.7:1
Developed in conjunction with partners—Parker Hannifin and converted by Volvo Group’s own CE Engineering Solutions—the 20-ton L120H Electric Conversion will be commercially available for selected customers in Europe during 2023. The L120H Electric Conversion will be available this year for selected customers in Europe.
Researchers in China have developed a novel free-piston linear generator (FPLG) to recover exhaust waste heat efficiently from a vehicle engine. In a paper published in the journal Applied Thermal Engineering , the team from. the internal combustion engine is the power system of most vehicles. —Tian et al.
IAV has developed a particularly closed-coupled diesel exhaust gas aftertreatment (EAT) system. Under the EU6 standard, diesel engines are still allowed to emit up to 80 mg NO x /km milligrams of nitrogen oxides per kilometer—not only under the legal framework in the cycle but also in respect of increasingly tighter RDE requirements.
Mercedes-Benz Trucks is introducing the third generation of its OM 471 heavy-duty diesel engine this year; the engine will deliver increased fuel efficiency and compliance with the strictest emissions standards such as Euro VIe. In this way, the compression ratio of the six-cylinder in-line engine has been increased from 18.3:1
A chemical engineer from the University of Houston is leading a $2.1-million million project to find new catalytic materials that work at lower exhaust temperatures, allowing automakers to build vehicles that operate more efficiently while retaining the ability to clean emissions before they leave the tailpipe. and Johnson Matthey Inc.
The BMW M Hybrid V8 is powered by the P66/3 eight-cylinder turbo engine with supplementary electric drive. The combustion engine is based on the DTM unit used in the BMW M4 DTM in 2017 and 2018. BMW M Hybrid V8 engine. That saved us time and a lot of money and was therefore efficient and sustainable.
GE Transportation announced the first sale of its new 12V250 Marine Diesel Engine that is designed to meet EPA Tier 4i and IMO Tier III Emissions standards. SCR requires the use of a diesel exhaust fluid, typically urea, to reduce NO x in an after-treatment of exhaust gas.
The EPFL system captures CO 2 directly in the trucks’ exhaust system and liquefies it in a box on the vehicle’s roof. The project is being coordinated by the Industrial Process and Energy Systems Engineering group, led by François Maréchal, at EPFL’s School of Engineering. —François Maréchal. 2019.00143.
Researchers from the Center for Energy and Processes (CEP), MINES ParisTec, and Renault are exploring the non-catalytic reforming of diesel fuel with diesel engineexhaust gas (i.e. An alternative to the catalytic exhaust gas reforming of diesel fuel method is presented in this paper and consists of using an NTP torch.
Studies have found that despite meeting more stringent regulatory standards for exhaust emissions during type approval, many vehicles equipped with selective catalytic reduction (SCR) systems have significantly elevated emissions of NO x during in-use driving—particularly when operating in urban traffic. —Lowell and Kamakaté.
has begun development of a 15-liter heavy-duty, spark-ignited natural gas engine to meet demand for on-highway applications. As natural gas production grows in North America and the fuel becomes more readily available, Cummins believes that there is a strong market for engines powered by an alternative to diesel fuel. Cummins Inc.
To improve fuel efficiency, advanced combustion engines are being designed to minimize the amount of waste heat in the exhaust. As a result, future generations of exhaust after-treatment catalysts must perform at temperatures that are 100 °C lower than current catalysts. —Nie et al. Resources.
Despite improvements in engine efficiency—e.g., Despite improvements in engine efficiency—e.g., Finding ways of recovering this lost heat energy has been one of the major goals being pursued by engineers working on BMW EfficientDynamics for the future.
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. Almost the entire original powertrain—engine, fuel tanks and exhaust system—was removed from the DAF truck.
Power management company Eaton and Tenneco announced a joint development agreement between Eaton’s Vehicle Group and Tenneco’s Clean Air business group to produce an integrated exhaust thermal management system that will enable commercial truck and light vehicle manufacturers to meet upcoming emissions regulations.
At Agritechnica in Hanover, the world’s leading trade fair for agricultural machinery and equipment, Continental is presenting exhaust aftertreatment solutions for agricultural and construction machinery. When a tractor is used for ploughing, its engine operates close to its design point, i.e. in the most efficient operating range.
liter engine with 40% thermal efficiency (41% in hybrid applications); a new 2.0-liter liter hybrid system; and new 4WD systems—one for gasoline-engined cars, one for hybrids—based on the Toyota New Global Architecture (TNGA). Conversion to wider gear ranges. liter Dynamic Force Engine, a New 2.0-liter
NO x conversion profiles. One of the obstacles to the more widespread adoption of diesel engines—especially in the face of increasingly stringent emissions requirements—is the requirement for a lean NO x aftertreatment system. Lean-burn gasoline engines will also benefit from this technology. Credit: Kim et al. Click to enlarge.
Achates Power says that its 2-stroke OP engine offers higher best point brake thermal efficiency than diesel or gasoline engines. In December 2012, the US Army Tank Automotive Research, Development and Engineering Center (TARDEC) awarded Achates Power, Inc., brake thermal efficiency with its OP engine. Click to enlarge.
We organize all of the trending information in your field so you don't have to. Join 5,000+ users and stay up to date on the latest articles your peers are reading.
You know about us, now we want to get to know you!
Let's personalize your content
Let's get even more personalized
We recognize your account from another site in our network, please click 'Send Email' below to continue with verifying your account and setting a password.
Let's personalize your content