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At the US Department of Energy’s (DOE’s) Annual Merit Review meeting in Washington, DC last week, Michael Ruth from Cummins noted that the DOE program target for the project is a fuel economy (CAFE) target of 26 mpg (9.05 Cost of the new engine relative to gasoline baseline. Exhaust system configuration. Earlier post.).
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.
ExxonMobil, Corning and Toyota have collaborated to develop an Onboard Separation System (OBS) to optimize gasoline engine efficiency and performance. In a paper on the OBS presented at the SAE 2014 World Congress, the researchers suggested that potential applications include downsizing to increase fuel economy by ?10% Background.
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.
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).
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.
liter ESTEC (Economy with Superior Thermal Efficient Combustion) in-line 4-cylinder Gasoline Engine (1NR-FKE). Improving the vehicle fuel economy is a must due to the climate change and energy issues. To address this, at low load, Exhaust VVT is advanced and internal EGR is used. Performance recovery.
The project aims to deliver full hybrid equivalent fuel economy and performance with less than 70 g/km CO 2 emissions as measured over the European Drive Cycle, but at a significantly lower cost. version of its vehicle (a 2009 Ford Focus) but with fuel economy and CO 2 emissions approaching those of a Prius.
Simulated fuel economy for 1.8L GDCI showed a predicted fuel economy improvement of 65%, 28%, and 28% for the FTP City, Highway, and US06 cycles, respectively, for a combined FE improvement of 50%. Vehicle simulations for various drive cycles predicted very good fuel economy for all city and highway modes. GDCI Engine and 2.4L
improvement in city fuel economy (24.5 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. Overall, the engine offered a 13.1%
Hybrid Electric Turbocharger for Exhaust Energy Recovery and Transient Lag Reduction. By the end of Phase II, Mainstream plans to demonstrate a production-ready prototype that exceeds DOE targets for fuel economy, operating range, and cost. A Novel Exhaust after Treatment Catalyst. Lead organization. Description. nGimat LLC.
Automotive News reports that Mazda plans a second generation of SkyActiv engines around 2020 that would achieve 30% better fuel economy than the current line of Skyactiv engines. The focus will be on lean burning, and increased compression ratios for the gasoline engines. Earlier post.).
Corning Incorporated has boosted its light-duty vehicle filter capacity at its manufacturing facility in Kaiserslautern, Germany for both gasoline and diesel engined vehicles. Diesel vehicle manufacturers are striving for greater engine performance and fuel economy while meeting Euro 6 emissions standards under a myriad of driving conditions.
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 ). In 2013, SwRI reported a 2.0-liter
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. Yang et al.
Reducing the number of exhaust gas particulates, including those smaller than 23 nm, will help manufacturers meet increasingly stringent future global emissions standards. —Walter Piock, chief engineer, Gasoline Systems, Delphi Technologies. Delphi 500+ bar GDi pump.
At the recent 2013 SAE World Congress, engineers from Bosch and AVL presented papers on progress in the ACCESS project, describing the design, combustion development and controls development for a resulting 4-cylinder gasoline turbocharged direct injection (GTDI) engine with part-load HCCI capability. Earlier post.). —Wheeler et al.
liter EcoBoost gasoline turbocharged direct injection (GTDI) four-cylinder unit. Ford says the engine can deliver up to 15% better fuel economy than comparable six-cylinder engines. Featuring a twin-scroll turbocharger and a three-port integrated exhaust manifold (IEM), the 2.3-liter Ford specifically engineered the 2.3-liter
At a “Go Further with Ford” event in Amsterdam, Ford Motor Company detailed plans for an aggressive product acceleration in Europe, targeting opportunities for growth in the large car, SUV and commercial vehicle segments while emphasizing fuel economy and enabling technologies such as the EcoBoost engines. Fiesta will be available with the 1.0-liter
Its turbocharger with variable turbine geometry makes optimal use of the exhaust gas energy for early and harmonious torque development. This is supplemented by the additional range offered by the reserve gasoline tank with a net usable volume of 9 liters (2.4 The A3 Sportback 30 g-tron 1.5 lb-ft) of torque between 1,400 and 4,000 rpm.
Ford’s approach to the project was to engineer a comprehensive suite of gasoline engine systems technologies, including: Aggressive engine downsizing in a mid-sized sedan from a large V-6 to a small I-4. 1, and the engine is designed to run on 98 RON gasoline. Split, parallel, cross-flow cooling with integrated exhaust manifold.
For MY 2012 in the US, FCA was compliant with fuel economy requirements, but had negative credit generation due to model mix. FCA also plans to consolidate its small gasoline engine lineup with a new family to be launched in 2015. Much more progress will come as gasoline and diesel engine technologies converge. —Bob Lee.
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.
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.,
Tata Motors launched its REVOTRON Series of next-generation gasoline engines for the passenger vehicle market in India. The engine has been manufactured to be light on weight and low on friction, delivering high performance and fuel economy. The first engine in the new series, which will include 3- and 4-cylinder models, is the 1.2-liter
liter turbocharged and direct-injected TSI gasoline engine. Among the improvements on this engine are: a thin-wall crankcase casting; exhaust headers that are integrated into the cylinder head; smaller diameter main bearings; roller bearings for the twin balancer shafts; and a crankshaft that has four counterweights instead of eight.
Internal combustion engine’s performance and efficiency are currently governed by variable valve control technology that adjusts the timing of valve opening and closing and depth of the valve’s opening, with engine power produced through the fuel intake-compression-expansion-exhaustion cycle. kgm (265 N·m) of torque.
Toyota anticipates a 1/3 full hybrid, 1/3 gasoline, 1/3 diesel engine mix. The new Auris’ powertrain line-up, which now features a choice of an improved full hybrid or two gasoline and two diesel engines offering the performance- and economy-enhancing benefits of Toyota Optimal Drive. Valvematic gasoline engine.
for XSE grade, which uses a dual-outlet exhaust). Most AWD grades have 202 hp, while the Camry XSE AWD grade has 205 hp with dual exhaust. A variable cooling system, variable oil pump and a cooled exhaust gas recirculation (EGR) system all contribute to the engine’s high thermal efficiency and outstanding fuel economy.
Renault is introducing three new Energy engines ( earlier post ) in its Mégane Collection 2012: the new turbocharged, gasoline direct-injection Energy TCE 115 di; the Energy dCi 130; and the Energy dCi 110, with NEDC fuel consumption of 3.5 liters/100 km (67 mpg US) with CO 2 emissions of 90 g/km. Energy TCe 115.
A new study by Dr. Gautam Kalghatgi and his colleagues at Saudi Aramco provides further support a pathway for significant improvements in the efficiency of a gasoline engine (i.e., Broadly, this approach is termed Gasoline Compression Ignition (GCI). spark ignited, SI) by running it in compression ignition mode with naphtha fuels.
On the gasoline side, the 2013 Ram 1500 equipped with a 3.6-liter liter Pentastar V-6 gasoline engine earned 25 mpg (9.4 The Ram 1500 now owns the half-ton pickup segment’s top two spots in the EPA’s 2014 highway fuel-economy rankings. The combined city/highway rating is 23 mpg (10.2 l/100 km.). The all-new 3.0-liter
The new Focus features a broad suite of Ford advanced driver assistance technologies and advanced EcoBoost gasoline and EcoBlue diesel engines offering a 10% fuel-efficiency improvement across the range. Ford has unveiled the all-new Ford Focus. Ford’s multi-award-winning 1.0-liter liter EcoBoost engine is offered with 150 PS and 182 PS.
GMZ Energy, a market leader in the development of high-temperature thermoelectric generation (TEG) solutions, has successfully demonstrated a 1,000W TEG designed for diesel engine exhaust heat recapture in a Bradley Fighting Vehicle. GMZ is targeting a fuel economy improvement of 5%. Earlier post.) At approximately 80 liters (2.8
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. The exhaust manifold is integrated directly in the cylinder head, which reduces the number of parts and overall weight. PureTech 3-cylinder engine. Click to enlarge.
Tenneco introduced its oval-shaped gasoline particulate filter design at the 2015 Frankfurt Motor Show. The filters are designed for gasoline direct injection (GDI) engines to reduce particulate emissions in compliance with the Euro 6c emissions regulations, which take effect on 1 September 2017.
The analysis used the Ohio State University EcoCAR, a student prototype PHEV, as the basis for the preliminary fuel economy evaluation. 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.
Mazda North American Operations released EPA-estimated fuel economy figures for its all-new 2016 Mazda CX-9. Traditionally, turbocharged engines have suffered from poor dynamic performance at low rpm, including turbo lag, and disappointing real-world fuel economy. At the heart of the 2016 CX-9 is its new SKYACTIV-G 2.5T SKYACTIV-G 2.5T
US EPA fuel economy estimates are not yet available, however, other models equipped with this engine have seen a 25 – 30% improvement in fuel efficiency over their direct gasoline-powered counterparts. The system plays a significant role in the reduction of fuel consumption as well as exhaust emissions.
Enerpulse Technologies said that it has further identified the underlying mechanism by which its its pulsed energy ignition technology improves fuel economy, reduces emission and delivers higher torque in spark ignited (SI) internal combustion (IC) engines. Earlier post.)
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. This difference drives different choices for optimal filter technologies.
At SAE World Congress in Detroit, Honda engineers presented several papers on the development of the new Accord plug-in hybrid, describing work on the new gasoline engine (which will also be featured in the coming full hybrid version of the Accord), and the development of the new two-motor system. gasoline engine. Bore x stroke (mm).
Since 2013, the share of premium gasoline in total motor gasoline sales in the US has steadily increased to 11.3% Turbochargers work by using a turbine driven off the exhaust gas to pressurize the intake air. The octane rating of gasoline is an indicator of its resistance to spontaneous combustion. Click to enlarge.
liter, four-cylinder engine of the new CLA 250 is a member of the BlueDIRECT family of gasoline engines, and was first applied in combination with exhaust-gas turbocharging and external high-pressure exhaust gas recirculation in the E 250 Coupé introduced last year ( earlier post ). (It Source: Vent et al. Click to enlarge.
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