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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 ). As testament to the filtration efficiency of the latest gasoline particulate filters (GPFs), tailpipe mass emissions are now as low as 0.02
The SL 43 features an M139 in-line two-liter, four-cylinder gasoline engine with an electric exhaust gas turbocharger—used for the first time in a production vehicle. With this technology, the SL also has an outstanding performance range in its entry-level version. This technology comes from Formula 1.
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 exhaust sample was taken from the exhaust manifold. The exhaust sample was taken from the exhaust manifold.
GDCI engine was significantly better than advanced production spark injection gasoline engines, and comparable to very efficient hybrid vehicle engines at their best efficiency conditions (214 g/kWh). This early work established that gasoline-like fuels with high resistance to autoignition are preferred for PPCI. Combustion stability.
liter turbocharged M139 engine featuring an electric exhaust gas turbocharger. Mercedes-AMG SL 43 (European model shown) The new form of turbocharging guarantees spontaneous throttle response across the entire rpm range to deliver an even more dynamic driving experience. Under the hood of the open-top 2+2-seater is an AMG-enhanced 2.0-liter
ExxonMobil, Corning and Toyota have collaborated to develop an Onboard Separation System (OBS) to optimize gasoline engine efficiency and performance. The novel polymer-ceramic composite monolith membrane has been demonstrated to be stable to E10 gasoline, and typically provides 20% yield of ?100 —Partridge et al. The OBS system.
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. The reduced fuel consumption will extend the effective range of the turbo vehicle.
The new Range Rover Evoque and Land Rover Discovery Sport premium compact SUVs are now available with plug-in hybrid electric vehicle (PHEV) technology, with an electric-only range of up to 66 km (41 miles) and CO 2 emissions as low as 32 g/km. Range Rover Evoque PHEV. seconds) in the Range Rover Evoque.
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. liter gasoline direct injection engine. With D-EGR, one or more cylinders have their exhaust connected directly to the intake system.
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. Previous studies of GDCI have shown good potential for very high efficiency, low NO x , and low PM over the full speed-load range.
The effects of gasoline ratio on indicated thermal efficiency of HCII and GDBF modes. Researchers at Tsinghua University have compared the combustion and emissions characteristics of two dual-fuel (diesel-gasoline) modes intended to integrate the advantages of both fuels to achieve high thermal efficiency and low emission targets.
The tanks are integrated into the underbody and permit a range of around 400 kilometers (WLTP) in pure natural gas mode. The engine of the quasi-monovalent drive system is powered primarily with CNG (Compressed Natural Gas), but can also run on gasoline. Driving in CNG mode produces around 25% fewer carbon emissions than with gasoline.
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.
Its turbocharger with variable turbine geometry makes optimal use of the exhaust gas energy for early and harmonious torque development. With full gas tanks, the car has an NEDC range of up to 495 (307.6 mi) kilometers and a WLTP range of up to 445 kilometers (276.5 The A3 Sportback 30 g-tron 1.5
form ed a capital and business alliance jointly to develop next-generation vehicle exhaust systems. This collaboration will combine IBIDEN’s advantages in high-performance ceramic materials with DENSO’s advantages in developing products as systems to develop high-performance, simple and low-cost vehicle exhaust systems.
Volkswagen has developed and deployed a gasoline engine that offers diesel-like fuel economy but is significantly cheaper to buy. Compared with other gasoline engines, the intake valves of the 1.5 Compared with other gasoline engines, the intake valves of the 1.5 l/100 km (49 mpg US). l/100 km/h (59 mpg US).
Under this same operating condition with stoichiometric engine exhaust (and no reforming), they could only sustain stable combustion with EGR under 25%. EGR also reduces NO x emissions over a broad range of speed and load conditions. —Jim Szybist, ORNL. Earlier post.] Source: Chang et al. Click to enlarge.
ZF Friedrichshafen has confirmed development of a new range extender intended for electric vehicles, with manufacturing starting sometime in 2026. Therefore, ZF focused its announcement on the prevailing assumption that limited range is whats keeping consumers from making the switch to electrified vehicles.
The powertrain range for the Estate, which includes diesel, gasoline and hybrid options, features a new 1.6-liter The new Estate’s gasoline and diesel engines with ECO start/stop function comply with the Euro 6 emissions standards. An overhead camshaft actuates two intake and two exhaust valves per cylinder. Stroke (mm).
In Japan, Toyota and other automotive-related companies are about to begin a collaborative effort to expand the range of fuel options for internal combustion engines. Hydrogen: not a stand-in for gasoline. One example is the harmonic high-frequency exhaust note produced by the engine’s 8-into-1 exhaust manifold.
Secondary air systems are used to reduce gasoline engine emissions by accelerating catalytic converter heat-up. The latter allows secondary air injection across a much wider engine map range and hence, at any given point in time, the precise air mass required for accelerating converter heat-up is injected into the exhaust system.
Researchers from Tampere University and the University of Eastern Finland have found that the particulate emissions of auxiliary heaters can be up to a thousand times higher than the particulate emissions of idling gasoline vehicles. Their open-access study is published in the journal Atmosphere.
A new study by an international team led by researchers from the Paul Scherrer Institute (PSI) in Switzerland has found that modern diesel passenger cars equipped with diesel particulate filters (DPFs) emit fewer carbonaceous particulates than gasoline-powered vehicles. The open-access study is published in the journal Scientific Reports.
Third natural gas tank for additional range of 80 kilometres ›. The new Golf Variant model now features three natural gas tanks—instead of just two as before—once again increasing the already long range of the CNG drives. liter four-cylinder gasoline engine is even more efficient and responsive than its predecessor.
Corning Incorporated’s Environmental Technologies business reached a significant production milestone at its Kaiserslautern, Germany manufacturing facility with the production of its 1 millionth Corning DuraTrap GC gasoline particulate filter (GPF) for automotive emissions control.
The researchers assessed the gaseous, particulate, and genotoxic pollutants from two current technology gasoline direct injection vehicles when tested in their original configuration and with a catalyzed gasoline particulate filter (GPF). Their study is publishedin the ACS journal Environmental Science & Technology. Johnson, David R.
The 85 kW / 115 PS gasoline-fired engine is the first of its kind to be combined with a four-way catalytic converter and installed in the up! It also comes with a gasoline particulate filter. GTI—available since spring this year—is the latest addition to the EA211 range of engines.
The gasoline engine delivers 105 hp (72 kW) at 5500 rpm and maximum torque of 145 N·m (107 lb-ft) at 2000 rpm/min, with combined cycle fuel consumption of 4.2 This is the lowest consumption of any of the gasoline or diesel MiTo engines, while power delivery and torque are the second-highest of the MiTo gasolinerange.
In the area of energy conservation, TMC has developed a new gasoline engine that achieves a maximum 38.5% Gasoline engines. liter AR gasoline engine, adopts the Atkinson cycle and D-4S injection system. liter AR gasoline engine. The adoption of newly developed exhaust aftertreatment technology. Diesel engines.
Researchers at the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) Institute of Vehicle Concepts in Stuttgart have developed a demonstrator multi-fuel free-piston linear generator (FPLG, or Freikolbenlineargenerator, FKLG in German) as a range extender for electric vehicles. Intake, exhaust and fuel injection.
These include fully-electric systems, as well as a gasoline-generated EV system (known as e-POWER at Nissan, earlier post ) in which a gasoline engine generates electrical power stored in a battery (series hybrid), which can then be delivered to all four wheels through a pair of high-output electric motors. Earlier post.)
kg respectively, which offers a range of up to 422 kilometers in WLTP. As a back-up, both models come with a gasoline tank – albeit a much smaller version. Driving in CNG mode produces around 25% fewer CO 2 emissions than with gasoline. Furthermore, natural gas generally combusts with less emissions than gasoline or diesel.
Citroën is introducing the first members of its new PureTech family of three-cylinder gasoline engines on the C3, DS3 and C-Elysée (for international markets) ranges. liter with power ranging from 68 hp to 82 hp (50 to 60 kW). mpg US) and CO 2 emissions range from 99 to 107 g/km. PureTech 3-cylinder engine. liter and 1.2
As part of the new technology to achieve this vision, the company disclosed plans to introduce a next-generation gasoline engine called SKYACTIV-X in 2019. This new proprietary combustion engine combines the advantages of gasoline and diesel engines to optimize environmental performance, power and acceleration performance. Yamasaki, Y.,
Mercedes-Benz will further expand the GLE model range with the introduction of the V8-powered Mercedes-Benz GLE 580 4MATIC. The GLE 580 4MATIC features an electrified V8 biturbo gasoline engine with the 48-volt on-board electrical system and integrated starter generator.
Highly aromatic (HA) oils used as extender oils or softeners in the tire-manufacturing process have concentrations of PAHs ranging between 10 to 30%. Data available of dibenzopyrenes in other urban emission sources are diesel and gasoline particulate emissions. Non-exhaust traffic sources of particles. when complex. and 0.90?
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. It is injected as an aqueous reducing agent (AdBlue) via a dosing module into the exhaust gas upstream of an SCR catalytic converter.
Internal combustion engines have been significantly improving in the past decade, after the adoption of technologies such as Gasoline Direct Injection, mild electrification, downsizing and turbocharging. The OSU EcoCAR prototype vehicle features an extended-range electric architecture with a downsized 1.8L —Marcello Canova.
Tenneco is leveraging its expertise in diesel particulate filter (DPF) technology to develop gasoline particulate filters for 2017 model year light vehicles. Gasoline particulate filters effectively control particulate emissions under all operating conditions.
TFSI (gasoline) or a 3.0 The A7 Sportback can coast with the engine off over a wide speed range and then restart smoothly via the BAS. The B-cycle combustion process (a modified Miller cycle, earlier post ), which is designed specifically for part load, makes the V6 gasoline engine particularly efficient. TDI (diesel) engine.
This work dispels the myth that low carbon vehicles simply displace emissions from the exhaust to other sources. For a current standard mid-sized gasoline ICE (internal combustion engine) vehicle, the embedded carbon in production will be around 5.6tCO 2 e, around three quarters of which is the steel in the vehicle glider. production.
Start-up Enogia and IFP Energies nouvelles (IFPEN) are forming a strategic partnership for the joint development and marketing of a range of Rankine technologies to convert heat into electricity. Recovering heat from exhaust gases will cut fuel consumption by 5 to 10%.
Neste, currently largest producer of renewable drop-in fuels (primarily diesel) with its NEXBTL platform ( earlier post ), has filed a patent ( US20150144087 ) on a gasoline composition (and the method for making it) comprising up to 20 vol% (preferably from about 10-15 vol.%), of paraffinic bio-hydrocarbons originating from the NEXBTL process.
At its Innovation Days 2016 event in Munich, BMW unveiled new versions of its three and four- cylinder gasoline and diesel engines. In addition to this, the full line-up of gasoline and diesel engines feature BMW TwinPower Turbo technology. BMW TwinPower Turbo 3-cylinder gasoline engine. Gasoline engines.
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