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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
A team at Oak Ridge National Laboratory (ORNL) has achieved diesel-like efficiency in a single-cylinder spark-ignition (SI) research engine while maintaining compatibility with stoichiometric 3-way catalyst (TWC) systems. The ORNL team conducted engine experiments with both 91 RON E10 gasoline and liquified petroleum gas (LPG).
Cost of the new engine relative to gasoline baseline. The approach that Cummins and partners have taken features: Replacing the aluminium V8 gasoline engine and emission control system with smaller diesel (2.8-liter) diesel weighs 362 lbs (164 kg), while the ECS weighs 152 lbs (69 kg). Exhaust system configuration.
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 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 diesel engines with ECO start/stop function comply with the Euro 6 emissions standards. Click to enlarge. Stroke (mm).
Contribution of gasoline and dieselexhaust to SOA over 0% to 50% diesel fuel use. SOA contributions from the two sources are equivalent at 6% diesel fuel use. These compounds in un-burned gasoline and diesel fuel dominate vehicular emissions of reactive gas-phase carbon that have the potential to form SOA.
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.
Audi of America introduced four new TDI clean diesel models for the US market this year—the Audi A8, A7, A6, Q5—along with an updated Q7 TDI, all equipped with a second-generation 3.0L V6 TDI diesel engine. Not only is it more powerful and contains up to 30% better efficiency than traditional gasoline, etc.
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). A high octane fuel was injected late on the compression stroke of a boosted diesel engine operating with high EGR.
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.
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. Pratt et al. 2017) Click to enlarge.
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. The twin dosing process compensates for a system-based disadvantage of diesel engines.
BMW will introduce the diesel-engined BMW 740Ld xDrive Sedan in the US. liter TwinPower Turbo diesel engine in the long-wheelbase 7 Series body and will include xDrive, BMW’s intelligent all-wheel drive system. liter inline-6 BMW Advanced Diesel engine features a single turbocharger with variable vane turbine technology.
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. This way, exhaust gas flows through DOC and SCRF before it enters the turbine. —Matthias Diezemann.
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. liter EcoBoost gasoline engine. Click to enlarge.
Based on on-road measurements in their study, a team from the University of California Berkeley has estimated that, as of 2010, light-duty (LD) gasoline vehicles were responsible for 85% of CO; 18% of NO x ; 18% of organic aerosol (OA); and 6% of black carbon (BC) emissions from on-road motor vehicles in the United States.
In the area of energy conservation, TMC has developed a new gasoline engine that achieves a maximum 38.5% thermal efficiency for application in hybrids; a high-performance clean diesel engine and a high efficiency transmission. Gasoline engines. liter AR gasoline engine, adopts the Atkinson cycle and D-4S injection system.
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.)
Although gasoline direct injection engines (GDI) are a favorable technology for reducing fuel consumption and greenhouse gas emissions, recent studies have shown that GDI vehicles could emit more PM than traditional PFI (gasoline port fuel injection) vehicles as well as heavy-duty diesel trucks equipped with diesel particulate filters.
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
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.
liter i-DTEC diesel engine to be applied first in the Civic is the first engine from Honda’s Earth Dreams Technology series to be launched in Europe. It is the lightest diesel engine in its class, weighing 47 kg (104 lbs) less than Honda’s 2.2-liter liter i-DTEC—an achievement for a diesel engine. Honda’s 1.6L
Areas of work being focused on by Volkswagen include the development of a high-performance diesel engine delivering 100 kW (134 hp) per liter of displacement and a new 10-speed dual clutch gearbox that reduces fuel consumption. to 1.6l); the EA 888 Gen3 gasoline engines (1.8l EA 288 MDB Diesel engines. to 2.0l); and the.
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 Chargers of this kind combined with gasoline engines are usually found only in high-performance cars. l/100 km (49 mpg US).
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. Click to enlarge. PSA has filed for two patents on its work.
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. GDCI combines aspects of diesel and spark-ignited engine technology. Source: Sellnau et al. Click to enlarge. Earlier post.).
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.
i-DTEC diesel engine from the Earth Dreams Technology series ( earlier post ) and the 1.8 i-VTEC gasoline engine with manual or automatic transmission. i-DTEC diesel engine was first applied to the Civic hatchback and subsequently to the new CR-V. liter i-DTEC—a notable achievement for a diesel engine. mpg US (3.6
Customers of the Volkswagen Passenger Cars brand in Germany are once again placing more orders for diesel vehicles. In 2018, the share of incoming orders for vehicles equipped with the latest diesel technology as a proportion of the overall vehicle portfolio was 43% compared to 39% in 2017.
The engine of the quasi-monovalent drive system is powered primarily with CNG (Compressed Natural Gas), but can also run on gasoline. The Golf TGI is also equipped with a gasoline tank with a useful capacity of 9 liters (2.4 Driving in CNG mode produces around 25% fewer carbon emissions than with gasoline.
Jaguar says that its new four-cylinder Ingenium diesel ( earlier post ) is its most efficient diesel to date; with the new Ingenium diesel engines driving the rear wheels, the aluminium-intensive XE ( earlier post ) is also the most fuel-efficient Jaguar yet, with CO 2 emissions as low as 99 g/km. liter Ingenium diesel.
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 V-10 gasoline engine. “ Ford’s second-generation 6.7-liter
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.
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 diesel engine for the X3. New X3 diesel.
Corning Incorporated has boosted its light-duty vehicle filter capacity at its manufacturing facility in Kaiserslautern, Germany for both gasoline and diesel engined vehicles. For gasoline vehicles, direct injection (GDI) engines are growing in popularity as drivers demand more fuel efficiency and engine power.
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.
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. By contrast, diesel cars with particle filters exceeded the limit only 45-fold.
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.
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.
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. Source: Tula.
liter four-cylinder gasoline engine with direct injection with Auto Start-Stop as standard equipment, or the new 1.5-liter liter EcoBlue diesel, both paired with a new 8-speed automatic. EcoBlue diesel to deliver an EPA-estimated fuel economy rating of at least 30 mpg (7.8 Ford is targeting the 1.5L Ford is targeting the 1.5L
Audi testing of synthetic ethanol (Audi e-ethanol = Joule Sunflow-E) and synthetic diesel (Audi e-diesel = Joule Sunflow-D), produced in partnership with Joule ( earlier post ) in a pressure chamber and optical research engine has shown that the Audi e-fuels often perform better than their conventional counterparts. Click to enlarge.
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'
Volkswagen has introduced a new version of the Golf GTD (“Gran Turismo Diesel”) in Europe, and plans to bring it to the US market, reportedly likely for the 2016 model year. diesel delivering 184 horsepower (137 kW), 280 lb-ft (380 N·m) of torque, CO 2 emissions of 109 g/km, and a NEDC combined fuel economy figure of 56 mpg US (4.2
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