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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.
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. Good low-speed BMEP was predicted with maximum BMEP of 20 bar at 1800 to 2000 rpm. Source: Sellnau et al. Click to enlarge.
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. D-EGR brake specific fuel consumption (BSFC) at 2000 rpm 2 bar BMEP dropped 14.3%
In an open-access paper published in the ACS journal Energy & Fuels , they report that under an engine operating condition of 2000 rpm and brake mean effective pressure (4 bar), catalytic EGR reforming made it possible to sustain stable combustion with a volumetric equivalent of 45%–55% EGR. —Jim Szybist, ORNL. Earlier post.]
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 gasoline range.
Engineers at Transonic Combustion, a start-up developing a fuel efficient supercritical (SC) fuel injection and combustion system—Transonic Combustion, or TSCi ( earlier post )—have demonstrated the TSCi process using gasoline fuel at low load without EGR, medium load with EGR, and high speed low load with EGR.
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. 300 @ 2000.
Operating range of 2-stroke CAI fueled with gasoline, E10 and E85. Accordingly, the processes have been extensively researched over the last decade and adopted on prototype gasoline engines (e.g., To minimize the air short-circuiting rate, the intake and exhaust valve timings were adjusted. Zhang et al. 2013a) Click to enlarge.
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
For the 2013 XF and XJ lineup, Jaguar is adding two new downsized forced induction gasoline powerplants: 3.0-liter liter V8 gasoline units. Eight-speed ZF automatic transmissions are now fitted to all gasoline and diesel XJ and XF variants as standard for greater efficiency and performance. liter i4 Turbocharged gasoline engine.
Since 2000, the group has reduced the fuel consumption of its TDI and TSI engines by more than 30%. to 1.6l); the EA 888 Gen3 gasoline engines (1.8l On this basis the Volkswagen Group was working towards its declared objective of lowering the European new car fleet’s CO 2 emission level to 95 g of CO 2 /km by 2020. Earlier post.).
liter, four-cylinder turbocharged gasoline direct-injection engine—the 1.8 The system defines the angle and overlapping time of the valves with precision in order to generate direct air flow from the intake to the exhaust manifolds and start the turbocharger in very short times. The 200 HP 1.8 Di TurboJet. Click to enlarge.
In addition to the hybrid model, the Auris 2010 powertrain line-up also offers three gasoline and three diesel engines offering the performance and economy-enhancing benefits of Toyota Optimal Drive. Powered by the NiMH battery, the electric motor works in tandem with the gasoline engine to boost acceleration during normal driving.
This new engine offers 88 kW (120 PS, 118 hp) of power and 300 N·m (221 lb-ft) of torque at 2000 rpm with CO 2 emissions of 94 g/km (equivalent to 65 mpg US, 3.6 liter i-DTEC engine to the level equivalent of a gasoline engine. Earlier post.). Reduced weight. Honda’s new 1.6-liter Reduced mechanical friction.
The new six-cylinder in-line gasoline engine M 256 features a 48 V electrical system. The M 256 is the first member of a new family of premium gasoline engines that have for the first time been systematically designed for electrification from the outset. Mercedes-Benz is investing a total of around €3 billion (US$3.3 Click to enlarge.
All models of the new A-Class are also powered by new diesel and gasoline engines. New, efficient gasoline and diesel engines. All the new A-Class models are powered by new, efficient engines: two new four-cylinder gasoline engines are available at market launch. Cylinder cutoff, 4-cylinder-gasoline engine M282.
Between 1990 and 2012 the EPA issued 97 technology-based standards covering 174 major source categories—including gasoline distribution facilities, chemical plants, petroleum refineries and utilities—that have resulted in significant improvements in air quality across the nation. National-level air toxics assessments.
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. 20 bar BMEP @ 2000 - 4500 rpm. 1, and the engine is designed to run on 98 RON gasoline. Earlier post.). I4 / 20 bar BMEP.
class gasoline engine. outlined its plans for next-generation automotive technology&madsh;which it is labeling “Earth Dreams Technology”—comprising a series of measures to improve the efficiency of gasoline and diesel engines, transmissions, hybrid and plug-in hybrid systems and electric powertrains. Gasoline engine.
Not only is it more powerful and contains up to 30% better efficiency than traditional gasoline, etc. Essentially, Belzowski and his colleague Paul Green found that drivers of diesel vehicles can save thousands of dollars in total ownership costs compared to similar gasoline vehicles. Exhaust gas aftertreatment system, shown in an A7.
Comparison of fuel consumption of Omnivore, homogeneous Gasoline Direct Injection (GDI) and Spray-Guided GDI engines. The first testing phase of Lotus Engineering’s Omnivore variable compression ratio, flex-fuel direct injection two-stroke engine ( earlier post ) has been successfully completed on gasoline. Click to enlarge.
Lux Research has investigated the trends of corporate financing of alternative fuels from oil majors, based on a non-exhaustive database of more than 1,000 deals and partnership engagements from 2000 through September, 2014. Shell shifted its shares in Codexis to Raizen, its ethanol JV with Cosan.
The aluminum-alloy cross-flow cylinder head has a novel placement of intake and exhaust valves; the intake and exhaust ports for each cylinder are positioned one behind the other in the direction of flow. In other words, there is not a separate intake or exhaust camshaft. Top: Valve layout. We can now adjust about 50 ?
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. 35% Fuel Economy Improvement - Gasoline Engine.
A study of emissions from gasoline direct injection (GDI) vehicles in an urban near-road environment in Toronto over a wide range of weather conditions (February 2014 to January 2015) found that—other than for NO x and CO—the GDI engines had elevated emissions compared to the Toronto fleet. —Zimmerman et al. 5b04444.
The larger turbocharger increases the pumping work since it cannot be run efficiently by the exhaust gases. At 2000 rpm it is possible to achieve up to almost 7 bar BMEP with the series turbocharged setup, using two small turbos. Boosted HCCI with Regular Gasoline. Kulzer et al. Robert Scaringe, Wai K.
Relative changes in vehicle energy efficiency (VEE) (km/MJ) on ethanol/gasoline blends over those on gasoline for different blending levels. Several recent highly cited LCAs that have incorporated vehicle efficiency differences between gasoline and ethanol/gasoline blends could potentially be misleading. Click to enlarge.
Mercedes-Benz is introducing four new diesel and gasoline engines for its luxury S-Class, including the first four-cylinder engine in its almost 60-year history, the S 250 CDI BlueEFFICIENCY diesel. The new diesel also features fourth-generation common rail direct injection, with a rail pressure of 2000 bar. Earlier post.).
Achates Power will work with Delphi Automotive and Argonne National Laboratory on its ARPA-E-funded project to develop an innovative opposed-piston, gasoline compression ignition (OPGCI) engine. liter opposed-piston, gasoline compression ignition engine applicable to large passenger vehicles, pick-up trucks, SUVs and minivans.
Included in the lineup are four-, six- and eight-cylinder diesel and gasoline powerplants with outputs ranging from 150 kW/204 hp to 285 kW/ 388 hp. The HP turbine is located directly at the exhaust manifold and initially allows exhaust gas to flow through it; it then rotates at up to 215,000 revolutions per minute.
The fuel-cell hybrid vehicle launched by BMW Forschung und Technik GmbH is a prototype developed on the basis of a BMW 1 Series car that incorporates a 5 kW fuel cell APU from UTC Power along with a four-cylinder gasoline engine and an electric motor. The force of the 88 kW gasoline engine acts on the front wheels. Click to enlarge.
In addition to its twin turbos, the new eight-cylinder unit—known internally as the M 157—features gasoline direct injection with spray-guided combustion and twin turbochargers. AMG has developed a 5.5-liter The new AMG 5.5-liter AMG combines this spray-guided combustion with twin turbochargers.
liter, 3-cylinder gasoline engine. bar BMEP at 2000 rpm (+10% over base), delivering 313 N·m (231 lb-ft) and a maximum power output of 193 kW (259 hp)—an increase of 61% over the base engine. liter gasoline engine with a single-stage turbocharger. The engine achieved 32.9 —Aeristech CEO Bryn Richards.
Johnson said that currently, Achates can deliver a 12-16% reduction in fuel consumption compared to the best diesel, and about 50% against gasoline, and with a cost and size reduction. A common-rail fuel injection system supports injection pressures up to 2000 bar, and can deliver multiple injection events per engine cycle.
ATVs are in common use in California farms, ranches and orchards as a utility vehicle but the gasoline-fueled versions make a significant contribution to poor air quality in the farm regions of the state. A conventional vehicle with a gasoline engine would use $9 of fuel to go 100 miles. Ascend worked with Tructronics Inc.,
Ford’s turbocharged, gasoline direct injection EcoBoost engines are targeted to play a significant near-term role in Ford’s efforts to reduce fuel consumption by enabling downsizing. Some of the droplets may escape into the exhaust system and result in high UHC emissions. The spark plug is at the center of the chamber. Source: Ford.
EcoBoost gasoline engine option and a new hybrid option. liter TDCi engine will in 2015 offer 210 PS (154 kW) and 450 N·m of torque—delivered from 2000 rpm—with significantly reduced CO 2 compared to the outgoing 200 PS (147 kW) 2.2-liter liter gasoline engine. Engine range. liter TDCi engine. A revised 2.0-liter
Key advances for Gen 3 are in weight reduction, friction reduction, and the internal exhaust cooling system. The A4 of model year 2000 with a 1.8 This is the first implementation of such a system in a turbocharged direct-injection four-cylinder gasoline engine, noted Lemke. Integrated exhaust manifold with cooling.
Mercedes-Benz has achieved this increase in efficiency through the use of a technology package that incorporates third-generation direct gasoline injection with spray-guided combustion, multiple injection and multi-spark ignition; new operating modes; the use of a new start/stop function as standard; and other features. and exhaust sides.
In its new report on downsized and boosted gasoline engine technologies ( earlier post ) the ICCT highlighted Ricardo’s work on an “extreme” Miller cycle concept with high (13:1) compression ratio (CR) and central direct injection in a downsized boosted engine. A long exhaust stroke then extracts maximum efficiency. Resources.
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