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The reduced complexity of the design of the new integrated exhaust manifold cylinder head ( bottom ) compared to the old ( top ). GM has combined the exhaust manifold with the cylinder head into a single aluminum casting in the 2012 Camaro 3.6L The change reduces engine weight by 13 lbs. or 6 kg per engine.
liter TSI turbocharged, direct-injection engine beginning in 2012. Volkswagen is the first carmaker to implement this technology in a turbocharged four-cylinder engine in large-scale production. When the Stop/Start functionality is integrated, which deactivates the engine in neutral gear, the savings effect adds up to about 0.6
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 16V engine. Versions of Mégane Collection 2012 powered by this engine consume 5.3
At the Los Angeles Auto Show, Fiat unveiled the 2012 Fiat 500 Abarth—a performance variant of the 500—featuring the first application of the new 1.4-liter liter MultiAir Turbo engine. liter engine delivers an estimated 160 hp (119 kW) and 170 lb-ft (230 N·m) of torque. liter engine. Click to enlarge.
A team from National Tsing Hua University, Taiwan, reports that a low-temperature solid oxide fuel cell (SOFC) emissions control system for lean-burn engines can simultaneously reduce the high concentrations of NO x and oxidize hydrocarbon (HC) emissions.
Chevrolet Sales Thailand introduced the new-generation MY14 Duramax four-cylinder turbo-diesel engine in 2.5- The new Duramax engine was engineered in Europe and the US, with global application as one of its developmental objectives. —Nicola Menarini, Global Chief Engineer, GM Powertrain. Click to enlarge.
Hyundai Motor America introduced the all-new 2012 Accent at the New York International Auto Show; this marks the US debut of the latest version of the popular subcompact sedan and the new Accent five-door. The 2012 Accent is slated to hit dealerships this summer. The 2012 Accent is the first vehicle to receive the all-new 1.6-liter
liter, 3-cylinder EcoBoost engine ( earlier post ) will be three models in the European product range: first the Focus, followed by C-MAX and the all-new Ford B-MAX. liter engine is the latest addition to Ford’s global family of EcoBoost engines, which currently range in capacity from 1.6 liters globally. With its 1.0-liter
Volkswagen continues to refine its most important diesel engine, the 2.0-liter 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. TDI took a step forward and was therefore given the suffix “evo”.
liter engine will be one of the first on the market to combine gasoline direct injection (DI) with twin independent variable camshaft timing (Ti-VCT) and E85 flex fuel capability. The North American version of the 2012 Ford Focus will be powered by a 2.0-liter The North American version of the 2012 Ford Focus will be powered by a 2.0-liter
Technology changes related to revised emissions standards for heavy-duty trucks are causing an increase in heavy-duty truck engine problems and a decrease in overall satisfaction with the powertrain, according to the JD Power and Associates 2012 US Heavy-Duty Truck Engine and Transmission Study. Overall Scores. mpg in 2011.
2012 Sonic. The 2012 Chevrolet Sonic with the Ecotec 1.4L The Sonic’s highway fuel economy makes it one of the most fuel-efficient small cars in the market, with fuel economy equivalent to the 2012 Ford Fiesta SFE and on a par with the 2012 Hyundai Accent. Premium design elements give the engine smoothness and durability.
The selected 17 awards represent the best of nearly 1,000 ideas submitted for the FY 2012/13 Broad Based Topic Solicitation, DOE said. Mainstream Engineering Corp. Hybrid Electric Turbocharger for Exhaust Energy Recovery and Transient Lag Reduction. Mainstream Engineering Corp. A Novel Exhaust after Treatment Catalyst.
In a presentation at the SAE 2014 High Efficiency IC Engine Symposium and then in a paper given at SAE 2014 World Congress, Mark Sellnau, Engineering Manager, Delphi Advanced Powertrain, reported that Brake Specific Fuel Consumption for the 1.8L Earlier post , earlier post.). Background. Earlier post.) DOE UFEV program targets.
A team of researchers in Germany has found that the mutagenicity of diesel engineexhaust (DEE) is eliminated in the gas phase by a Diesel Oxidation Catalyst (DOC), but only slightly reduced in the particle phase. Diesel engine emissions (DEE) are classified as probably carcinogenic to humans.
liter EcoBoost three-cylinder engine—the first three-cylinder engine Ford has built for a regular production car—and an new eight-speed automatic transmission to its line-up. liter engine is a little dynamo.” An exhaust manifold cast into the cylinder head. liter gasoline engines. Earlier post.).
Researchers in Germany and Finland report the first online measurement of gaseous sulfuric acid (GSA) in the exhaust gas of a modern heavy-duty diesel engine in an effort to quantify the role of low-vapor-pressure gases in the formation of nucleation particles (NUP). of hydrocarbons) significantly. of hydrocarbons) significantly.
Source: SwRI, DEER 2012. 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. PSA concept D-EGR engine.
Comparison of brake thermal efficiency and specific fuel consumption at rated power (ICOMIA Mode 5), hydrogen vs. gasoline engines. Such an engine could provide a cost-effective solution for small recreational vehicle- and motorcycle applications. Oh and Plante. Click to enlarge. —Oh and Plante. g/kWh with a 3.3% kW) rating.
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.
Contrary to expectations, exhaust from gasoline vehicles contributes more to the production of secondary organic aerosols (SOA) than exhaust from diesel vehicles, according to a new study by scientists from the Cooperative Institute for Research in Environmental Sciences (CIRES), NOAA’s Earth System Research Laboratory (ESRL) and other colleagues.
Under laboratory-simulated diesel exhaust conditions, this mixed-phase oxide material was superior to Pt in terms of cost, thermal durability, and catalytic activity for NO oxidation. Mullite is not only easier to produce than platinum, but also better at reducing pollution in diesel engines. Kyeongjae Cho. CO 2 + 2NO, NO 2 + C?CO
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 powertrain, Audi, in the 25 th year of the TDI engine, has developed a new diesel 4.0-liter liter V12 Audi R10 TDI, the first TDI engine used at Le Mans, the current race car consumes about 40% less fuel while achieving comparable lap times. liter V6 unit for Le Mans. Compared with the 2006 5.5-liter This amounts to 6.16
2012 Prius Plug-in hybrid. With seating for five, the 2012 Prius Plug-in hybrid is expected to achieve a manufacturer-estimated 87 mpge (miles per gallon equivalent) in combined driving and 49 mpg in hybrid mode, or 2.7 liter DOHC 16-valve VVT-i engine develops 98 hp (732 kW) @ 5200 rpm, and 105 lb-ft (142 N·m) @ 4000 rpm.
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. An enhanced engine for use in hybrid vehicles, based on the 2.5-liter
The transient results illustrate the gradual formation of the nucleation mode particles with continuous increase in exhaust temperatures. Manufacturers have responded with different technologies and engine control strategies for compliance. Diesel engines for use in the US are certified on the Federal Test Procedure (FTP) cycle.
Scania Euro 6 engine and aftertreatment system. Scania is unveiling 440 and 480 hp (324 and 353 kW) 13-liter Euro 6-compliant engines. The engines combine a range of technical solutions to meet the more stringent emission requirements, while the consumption of fuel is as good as Scania’s Euro 5 engines.
liter natural gas engine designed to meet the increasing demand for on-highway vehicles powered by natural gas. G engine will be based on the Cummins ISB6.7 diesel engine and will use Cummins Westport’s proven spark-ignited, stoichiometric cooled exhaust gas recirculation (SEGR) technology. The base engine is.a
liter EcoBoost engine ( earlier post ) was named 2014 International Engine of the Year for the third consecutive year. EcoBoost was also named Best Engine Under 1.0-Liter The Best Green Engine Award this year went to the Tesla Model S electric powertrain. liter EcoBoost engine are now available in 72 countries worldwide.
The VEMB system uses a concentric camshaft, blow-down manifold and scavenge manifold to separate the exhaust event into two phases: high-energy blow-down to the turbo without pumping losses, and high-hydrocarbon scavenge to the EGR system. Source: Borgwarner. Click to enlarge.
MJ/kg) (4000 RPM) between 250cc Pinnacle and 200cc poppet valve engine. The company presented these latest test results in a paper at the SAE 2012 World Congress in Detroit. Net indicated efficiency of the Pinnacle Opposed-Piston engine, CR = 15:1, 87 Octane. Pinnacle Engines’ 4-stroke opposed-piston engine.
gasoline unit that is the first member of a new family of 14 highly efficient engines to be launched by 2015. With a thermal efficiency of 37%, the engine delivers a combined-cycle fuel consumption of 4.1 Mass-produced gasoline engines on average have a thermal efficiency of between 30 and 35%, Toyota said.). A 4-cylinder, 1.33-liter
The 2012 Sonic. Chevrolet displayed the all-new subcompact 2012 Sonic—called the Aveo in other parts of the world ( earlier post )— at the North American International Auto Show. turbo engine rated at 138 hp (103 kW)—the same engine used in the Chevrolet Cruze in a smaller, lighter package. The Ecotec 1.4L
turbo I-4 engine that powers the 2012 Buick Regal GS is one of WardsAuto World’s 2012 “10 Best Engines” for North America. turbo offers the highest specific output of any GM production engine, and at 135 hp per liter, is the most power-dense engine certified by the Society of Automotive Engineers (SAE).
Isuzu D201 35 hp diesel engine (left) and the LiquidPiston 40 hp X2 Prototype (right). Other features of the X2 include: Quiet operation: engine lacks poppet valves and over-expansion minimizes exhaust noise. to the thermodynamics, not to a particular engine. Click to enlarge. LiquidPiston, Inc.
Jerald Caton and PhD candidate Junnian Zheng of Texas A&M University report on their use of an engine cycle simulation to evaluate the energy and exergy distribution of various processes in a low temperature combustion (LTC) diesel engine in a paper published in the journal Energy. Junnian Zheng, Jerald A. 2011.12.034.
The Directorate for Engineering at the National Science Foundation (NSF) has established a partnership with the Vehicle Technologies Program (VTP) of the US Department of Energy (DOE) to address critical fundamental and applied research challenges associated with advanced combustion engine technologies.
The European Union-funded PowerDriver project—a two-year, €3-million (US$4-million) research project initiated in February 2012 to turn exhaust gas waste heat into electricity using thermoelectric generator (TGEN) technology—has completed simulation work on on a potential automotive application.
The two projects are part of a larger multi-year DOE-funded project to develop and to apply innovative simulation strategies and tools to maximize benefits of predictive information from high performance computing (HPC) for internal combustion engines. The Principal Investigator on that DOE project is Dean Edwards of ORNL.
2012 Honda Civic Natural Gas. The all-new 2012 Honda Civic Natural Gas (formally known as the Civic GX), the only dedicated natural gas-powered passenger vehicle manufactured and sold in the US, will go on sale at qualified Honda dealerships nationwide on 18 October with a Manufacturer’s Suggested Retail Price (MSRP) starting at $26,155.
Developed for the latest 1-liter downsized gasoline engines. Continental will be supplying Ford with turbochargers for the carmaker’s new three-cylinder direct injection gasoline engine platform. The first two engines will generate 74 and 88 kW from a displacement of just one liter. Click to enlarge. Earlier post.)
Volvo Trucks has introduced new trucks with Euro 6 compliant engines ranging from the smallest medium-duty 5-liter engine to the heavy-duty 13-liter variant. Starting in spring 2014, Volvo trucks will also be available with a 16-liter Euro 6 engine and with the I-Torque driveline for the 13-liter engine. Click to enlarge.
Findings in a study by a team from Texas A&M and Enerpulse ( earlier post ) suggest that pulsed energy spark plugs may be able to serve as enabling technology to support the mainstream deployment of advanced, ultra-clean and ultra-efficient spark ignition internal combustion engines. generally initial pressure of around 6.9
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