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
At the IAA Commercial Vehicles Show, Cummins introduced a conceptemissions 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.
ClearFlame anticipates its engine running on ethanol can reduce GHG vehicle emissions by more than 45% and offer an estimated 15-30% TCO savings when compared with a diesel-fueled solution. ClearFlame uses soot-free “Clear” Exhaust Gas Recirculation (EGR) to maintain this ratio under varying load conditions. Blumreiter, J., Johnson, B.,
Researchers at EPFL have patented a new concept that could cut trucks’ CO 2 emissions by almost 90%. The EPFL system captures CO 2 directly in the trucks’ exhaust system and liquefies it in a box on the vehicle’s roof. The patented concept is the subject of an open-access paper published in Frontiers in Energy Research.
FlyZero is the UK’s Aerospace Technology Institute (ATI) project aiming to realize zero-carbon emission commercial aviation by 2030. Funded by the Department for Business, Energy and Industrial Strategy, the project FlyZero began in early 2021 as an intensive research project investigating zero-carbon emission commercial flight.
IAV has developed a particularly closed-coupled diesel exhaust gas aftertreatment (EAT) system. A key contribution to this performance must come from the exhaust gas aftertreatment system—across the entire speed and load range. This way, exhaust gas flows through DOC and SCRF before it enters the turbine. Click to enlarge.
A team from Universita degli Studi di Pisa (Italy) and Rolf Reitz at the University of Wisconsin-Madison are proposing a novel combustion concept—Homogenous Charge Progressive Combustion (HCPC)—based on a split-cycle principle to control HCCI combustion in diesel-fueled engines. —Musu et al., SAE 2010-01-2107. Tamagna, D.,
One of its outstanding features is the in-line six, which meets the EU Stage V emission standard for locomotives without the need for an exhaust after-treatment system (EATS). This means that a single technical solution equally covers emission requirements for all currently recognised emissions threshold values up to EU Stage V.
Motiv Engines, LLC introduced the second-generation of its engine concept dubbed the MkII Clarke-Brayton Engine, which it intends to develop into a heavy-duty on-highway engine fueled by liquid natural gas (LNG). It expands all the way to ambient pressure before the exhaust stroke. Click to enlarge. —Ed O’Malley, Motiv CEO.
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. In 2015, the emissions scandal erupted over the use of defeat devices in Volkswagen engines for MY 2009 through 2015.
At the Mondial de l’Automobile in Paris, Volkswagen is unveiling a new Golf BlueMotion concept car. This Golf concept, powered by another new 1.6-liter liters (15%) and CO 2 emissions by 14 grams per km. In the Golf BlueMotion concept car, Volkswagen is employing a 1.6-liter The latest Golf BlueMotion. Click to enlarge.
Komatsu has developed a concept machine for a medium-sized hydraulic excavator that combines a hydrogen fuel cell and Komatsu-developed key components. For the concept machine, Komatsu applied a hydrogen fuel cell system and hydrogen tank produced by Toyota Motor Corporation to Komatsu's medium-sized hydraulic excavator.
Southwest Research Institute (SwRI) announced preliminary test results of its Dedicated-Exhaust Gas Recirculation (D-EGR) demonstration vehicle ( earlier post ) at the SAE 2014 World Congress in Detroit. Terry Alger, assistant director in SwRI’s Engine, Emissions and Vehicle Research Division. Click to enlarge. Click to enlarge.
report not only the superior emission characteristics of the Fischer–Tropsch fuels, but also evidence that higher exhaust gas recirculation and lower excess air ratios will be a key concept of both engine and aftertreatment optimization for further fuel consumption improvement.
At SAE World Congress next week in Detroit, Delphi Automotive will present two technical papers describing its ongoing progress with the Gasoline Direct-Injection Compression-Ignition (GDCI) engine concept. To avoid efficiency-compromising CO emissions, combustion must occur in the region 0 Source: Sellnau et al. Earlier post.).
However, because a comparatively rich mixture is burned during the first half of combustion, engine-out NO x emissions are not reduced sufficiently, and the emissions reduction provided by the three-way catalyst (TWC) is insufficient, Kondo noted. In a lean burn engine, three-way catalysts show virtually no NO x purification effect.
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.
ships with a cargo-carrying capability of less than 60,000 metric tonnes—bulk carrier concept design: the Green Dolphin. The Green Dolphin concept design is a five-cargo-hold CSR (Common Structural Rules) double-hull bulk carrier that meets current and future expected air and water emissions regulations. Green Dolphin.
Brunel University London is the first to begin researching future powertrain concepts using Camcon Automotive ’s new Single Cylinder Intelligent Valve Technology (SCI). Camcon SCI. Brunel’s Center for Advanced Powertrain and Fuels (CAPF) plans to use SCI to further investigate the potential and control that digital valves provide.
According to the European Environment Agency (EEA), maritime transport is responsible for more than 3% of the total carbon emissions in the European Union. In 2019 alone, emissions reached 144 million tonnes of CO 2. In this concept, the ship is refueled with methanol at port. The system’s technical centerpiece is the reactor.
Since January 2021, the two companies have been jointly developing electric medium-sized hydraulic excavators, and have been conducting PoC (Proof of Concept) tests on advance research machines at customers' construction sites. The machine is powered by a 451 kWh lithium-ion battery system from US-based Proterra.
The result is a set of usable conversion factors for distance-based CO 2 emissions among the different driving cycles. For the study, the ICCT team simulated CO 2 and efficiency results over the test cycles for a variety of vehicle and technology packages using a vehicle emission model developed by Ricardo Engineering.
By 2030, the Rolls-Royce business unit is to cut greenhouse gas emissions by 35% compared to its 2019 level through the use of new net zero and zero carbon technologies. Development engineers are also working on engines powered by hydrogen and methanol as well as on concepts for decentralized Power-to-X systems.
Able to convert waste heat directly into electrical power, the E-PowerPack uses Organic Rankine Cycle (ORC) technology to reduce ship fuel consumption and CO 2 emissions. Basic ORC concept. Regardless which fuels they operate with today, fleets can use the E-PowerPack to reduce their fuel consumption, emissions and costs.
Citroën will unveil its new C4 Cactus AIRFLOW 2L concept at the Paris Motor Show. With the C4 Cactus AIRFLOW 2L concept, Citroën went further. The C4 Cactus AIRFLOW 2L concept goes even further by adopting the Hybrid Air drivetrain. Hybrid Air. l/100 km (76 mpg US). Body style optimized for aerodynamic performance.
Teaser sketch of Yaris Hybrid-R concept. Yaris Hybrid-R concept. The Yaris Hybrid-R is a concept car created as a showcase of possible ideas for the development of hybrid technology for maximum performance and increased driving pleasure, Toyota says. Click to enlarge. Europe Fuel Cells Hybrids Motorsport'
concept car at the Tokyo Motor Show. liters per 100 km (214 mpg US ) (NEDC), with corresponding CO 2 emissions of 27 g/km. Besides reduced engine displacement, other emissions-reducing measures were implemented such as specially formed piston recesses, multipoint fuel injection and controlled orientation of individual injection sprays.
HYbrid FE concept. At the Frankfurt Motor Show, PEUGEOT and Total will unveil the hybrid 208 HYbrid FE concept. Based on a production 208 hatchback, the HYbrid FE accelerates from 0 to 62 mph in 8 seconds, with CO 2 emissions of 49 g/km (NEDC combined cycle). HYbrid FE concept. Click to enlarge. Click to enlarge.
The concept of the Ricardo Split-Cycle engine. The recuperated engine uses isothermal compression via cryogenic injection to enable significant exhaust to compressed gas heat transfer. Recuperator to transfer heat from exhaust gas to compressed air. The IsoEngine concept. Source: Neville Jackson. Click to enlarge.
The D-EGR concept dedicates one (or more) cylinders to EGR production and fuel reforming. In the inaugural study reported in an SAE paper in 2009 (2009-01-0694), SwRI ran a 4-cylinder engine with cylinder 1 exhausting directly to the intake manifold, leading to a constant 25% EGR level. PSA concept D-EGR engine.
Researchers from the University of Pennsylvania, along with collaborators from Italy and Spain, have designed new core-shell type catalysts inspired by the concepts of supramolecular chemistry that oxidize methane 30 times better than do currently available catalysts. Click to enlarge.
Volvo Penta has developed an electric driveline for leading fire service vehicle manufacturer Rosenbauer’s pioneering fire truck, enabling a new solution with zero exhaustemissions and significantly reduced noise levels.
The new US Tier 4 Final (Tier 4f) version of the DL06 includes an ultra-low particulate combustion system featuring the Ricardo Twin Vortex Combustion System (TVCS) ( earlier post ); the engine achieves compliance with Tier 4 Final particulate emissions levels without requiring a DPF—thereby providing a cost-effective solution.
The result is a high-performance powertrain with emissions at the same level as ambient air. We have therefore developed a hydrogen combustion engine that aims to match the power and torque of current high-performance gasoline engines as a concept study. The starting point for our study was an existing 4.4-liter Source: Porsche.
with technologies such as direct fuel injection, variable valve timing, exhaust-driven turbochargers, brake energy regeneration and Auto Start Stop function—about 60% of the generated energy is still lost, half of it being exhaust heat, with the remaining half as heat absorbed by the engine cooling system. Click to enlarge.
Mitsubishi Concept XR-PHEV on stage in LA. MMNA) gave the Mitsubishi Concept XR-PHEV ( earlier post ) plug-in hybrid its North American debut at the 2014 Los Angeles Auto Show. For additional power optimization with reduced exhaustemissions, the 1.1-liter Click to enlarge. Mitsubishi Motors North America, Inc.
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). Earlier post.)
The proof-of-concept Aviat Husky CNG, which flew more than 1,000 miles from Aviat’s headquarters in Afton, Wy., The advantages, Herrick noted, include fuel cost savings, cleaner burning fuel and no lead emissions. It is also a much cleaner burning fuel, reducing smog pollutants by 90% and reducing CO 2 emissions by 30%.
AOI 8: Development of High-Performance Low-Temperature Catalysts for Exhaust Aftertreatment. ($3M). These new exhaust aftertreatment technologies and catalysts must have light off temperatures of 150 °C and conversion efficiencies near 90%, to fully meet topic objectives. Areas of interest.
Among its many offerings at the Paris Motor Show, Audi is unveiling the Audi TT Sportback concept—a car that leverages but elongates the design idiom of the classic TT. Dr. Hackenberg noted that the “ TT Sportback concept unites two concepts to form a new member of a potential TT family. ” wheel drive. Click to enlarge.
This saves the operator costs and also reduces the CO 2 emissions of the engines. Equipped with the latest exhaust technologies, the MAN D3876 complies with the current and strict EU Stage V emission regulations. As a result, significant savings in fuel consumption can be achieved.
FEV is developing a water injection system for internal combustion engines using condensate from exhaust gases, the “Extended Direct Condensate Injection” system. The concept, as reported in a new paper in the International Journal of Engine Research , demonstrates a potential for efficiency increase of 3.3% – 3.8% Earlier post.).
million) in Innovate UK funding to advance development of its range-extender concept for heavy-duty applications. Cutaway illustration showing a twin free piston engine, with the copper coils and the two magnetic pistons free to slide in the cylinder bore, and the induction and exhaust ports in the center. million (US$3.6
Toyota Motor Corporation (TMC) unveiled the FT-Bh (Future Toyota B-segment Hybrid), a lightweight, next-generation small gasoline-electric hybrid concept car at the 82nd Geneva International Motor Show. Due to small amount of heat generated by high-efficiency engines, heat from both the engine and exhaust is used for heating the interior.
Five technology paths for very-low-NO x and GHG emissions from heavy-duty natural gas engines. The “Pathways to Near-Zero-Emission Natural Gas Heavy Duty Vehicles” report, authored by GNA on behalf of Southern California Gas Co. An 80% reduction of GHG emissions is targeted for 2050, relative to 1990 levels. 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