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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 direction injection V6, achieving both better fuel economy while reducing emissions.
After a week-long meeting of an expert working group, the International Agency for Research on Cancer (IARC), which is part of the World Health Organization (WHO), classified diesel engine exhaust (DEE) as carcinogenic to humans (Group 1), based on sufficient evidence that exposure is associated with an increased risk for lung cancer.
In a study of non-metal miners in the US, federal government scientists report that heavy exposure to diesel exhaust increased risk of death from lung cancer. For never-smokers, risk of lung cancer death increased with increasing diesel exhaust exposure. effect of diesel exhaust exposure on lung cancer mortality in.
The Energy dCi 110 diesel offers fuel consumption of 3.5 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 Click to enlarge. 16V engine.
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
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 The 2012 Fiat 500 Abarth is also fitted with a heavy-duty five-speed manual transmission with Torque Transfer Control (TTC) system. liter MultiAir Turbo. liter engine.
2012 Sonic. The 2012 Chevrolet Sonic with the Ecotec 1.4L L/100km) on the highway with a six-speed manual transmission and city fuel economy of 29 mpg (8.1 The 1.4L’s turbocharger is integrated within the exhaust manifold, for reduced weight and greater packaging flexibility. Click to enlarge. L/100km) combined.
The selected 17 awards represent the best of nearly 1,000 ideas submitted for the FY 2012/13 Broad Based Topic Solicitation, DOE said. The selected projects include 6 vehicle-related technologies and 2 hydrogen and fuel cell technologies, as well as new hydropower, heat pump, solar and manufacturing technologies. Nextech Materials.
Their paper was presented at the ASME Internal Combustion Engine Division 2012 Fall Technical Conference by Marcello Canova, assistant professor at OSU; lead author was Philipp Skarke, from the University of Stuttgart Institute for Internal Combustion Engines and Automotive Engineering. Exhaust gas exergy map of EcoCAR engine.
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.
A team of researchers in Germany has found that the mutagenicity of diesel engine exhaust (DEE) is eliminated in the gas phase by a Diesel Oxidation Catalyst (DOC), but only slightly reduced in the particle phase. Total particle mass (TPM) was reduced by 50% with the DOC in common diesel fuel and by 30% in the other fuels.
The NH 2 hydrogen fuel cell tractor. New Holland previewed the farm-ready version of the hydrogen fuel cell NH 2 tractor ( earlier post ) at the Agritechnica international agricultural machinery show in Hannover in November. A larger hydrogen tank has been installed to support the three fuel cells. Click to enlarge.
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 Drivers will notice improved low-end power and better fuel economy.
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. Resources.
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.
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 ). Engines Fuel Efficiency Vehicle Systems'
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. Diesel engines are attractive because of their higher fuel efficiency than gasoline engines.
liter, four-cylinder, SIDI (spark ignition direct injection) ECOTEC Turbo engines, which begin Opel’s renewal of its powertrain portfolio, deliver improved fuel consumption, performance and refinement. Opel’s engineers selected a central direct-injection fuel system for optimum fuel efficiency and minimal emissions.
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 Vehicle fuel efficiency on FTP. +35% Background. Earlier post.) Earlier post.)
liter V10 gas engine in 2012. n alternative fuels engine prep package will be available as well. The engine comes with hardened exhaust valves and valve seats for improved wear resistance and durability for gaseous fuel systems. The V10 features three valves per cylinder—two intake valves and one exhaust valve.
report not only the superior emission characteristics of the Fischer–Tropsch fuels, but also evidence that higher exhaust gas recirculation and lower excess air ratios will be a key concept of both engine and aftertreatment optimization for further fuel consumption improvement.
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 With lower exhaust heat, heat efficiency was enhanced, and consequently, fuel efficiency was enhanced as well.
Huff Fuels, Engines and Emissions Research Center, Oak Ridge National Laboratory. This website, jointly maintained by the US Department of Energy and the US Environmental Protection Agency (EPA), provides information such as official EPA “window label” fuel economy estimates for city, highway, and combined driving for all U.S.-legal
The Audi R18 e-tron quattro diesel hybrids ( earlier post ) that will race at Le Mans this coming weekend (14-15 June) are the lightest and most fuel efficient LMP1 racers has yet to bring to the track. New WEC regulations require up to 30% less fuel use this year. liter V6 unit for Le Mans. Compared with the 2006 5.5-liter
At that time, the Golf BlueMotion offered fuel consumption 4.5 In 2009, Volkswagen showed the second generation Golf BlueMotion, also in Geneva; its fuel consumption had been reduced to 3.8 Fuel consumption for the third generation Golf BlueMotion is thus reduced by another 0.6 With a 50-liter fuel tank and 3.2
Overall, the company says, it intends to continue to work to conserve energy by improving fuel efficiency and reducing emissions, and by diversifying fuel sources by encouraging the use of electricity, hydrogen and other alternative energies. In the field of fuel cells, the latest version of the Toyota FC Stack. Diesel engines.
The transient results illustrate the gradual formation of the nucleation mode particles with continuous increase in exhaust temperatures. Diesel particulate filters (DPF) and urea-based selective catalytic reduction (SCR) exhaust after-treatment systems thus have emerged as feasible strategies to meet the 2010 USEPA regulations.
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. to 2 ratio points and maintain the same knock limit for an additional 3-4% improvement in fuel economy.
Researchers at the Pacific Northwest National Laboratory report on a highly efficient, small-scale solid oxide fuel cell system featuring PNNL-developed microchannel technology in combination with adiabatic, external steam reforming and anode gas recirculation. Power system configuration diagram. Powell et al. Click to enlarge.
Volvo Car Corporation is postponing its plans to produce a full hybrid based on a diesel engine and instead will introduce a series-produced plug-in diesel hybrid (PHEV) in Europe as early as 2012. Carbon dioxide emissions will average out at 49 g/km, with fuel consumption of 1.9
This technology enables the elimination of exhaust aftertreatment and provides a cost-effective, durable and high fuel economy solution for mid-range off-highway engine customers. The Twin Vortex Combustion System is capable of meeting Tier 4 interim/Stage 3B legislation without the need for any form of exhaust aftertreatment.
2012 Camry Hybrid. The 2012 Camry again offers three powertrain choices, all of which have been enhanced for 2012 to provide better fuel economy and more responsive performance: a revised 2.5L, 4-cylinder gasoline engine; an enhanced 3.5-liter Under the hood of the 2012 Camry Hybrid. Click to enlarge.
Designed to be the most fuel-efficient Chrysler flagship sedan yet, the new 2012 Chrysler 300 Luxury Series combines an eight-speed automatic transmission with the 292 hp (218 kW) 3.6-liter The 2012 Chrysler 300 is the first domestic luxury sedan to feature an eight-speed automatic transmission. L/100 km, respectively).
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. The fuel economy ratings are still TBD. Click to enlarge. The Sonic is offered in four-door and five-door variants. The standard Ecotec 1.8L
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.
Scania unveiled its new Streamline series of trucks that will enable customers to reduce fuel consumption by up to 8%. Potential fuel savings in long-haulage are up to 8% with the new, more efficient second-generation Euro 6 engines. Second-generation 450 hp (336 kW) and 490 hp (365 kW) Euro 6 engines provide fuel savings of up to 2%.
2012 Mazda3. The refreshed 2012 Mazda3, making its debut at the 2011 Canadian International AutoShow, will offer the option of Mazda’s new SKYACTIV-G gasoline engine and SKYACTIV-Drive automatic transmission ( earlier post ) when it is launched later this fall. New 16- and 17-inch alloy wheels complete the 2012 exterior updates.
The TEG technology, which converts waste heat from gas exhaust into electric energy and has the potential to improve passenger car fuel efficiency by as much as 5%. TEG & Exhaust System in Lincoln MKT. This follow-on light-duty vehicle project, funded in 2011, has a target of a 5% fuel economy improvement. Resources. ????
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 gasoline-alternative biofuel candidate 2,5-dimethylfuran (DMF) ( earlier post ) demonstrates favorable characteristics to be an effective cold-start fuel, according to a new study comparing the ignition timing sensitivities of oxygenated biofuels to gasoline in a direct-injection engine, published in the journal Fuel. 2012.01.053.
In December 2012, the US Army Tank Automotive Research, Development and Engineering Center (TARDEC) awarded Achates Power, Inc., In December 2012, the US Army Tank Automotive Research, Development and Engineering Center (TARDEC) awarded Achates Power, Inc., lbs/hp-h fuel consumption, Johnson said. Source: Achates Power.
unit features: An offset crankshaft that helps improve fuel economy. Faster cylinder block warm-ups save fuel, especially in cold weather. An exhaust manifold cast into the cylinder head. The one-piece assembly lowers the temperature of the exhaust gases. Full volume production is slated for the first quarter of 2012.
The Green Dolphin leverages existing technologies to meet shipowners’ needs for fuel efficiency and operational flexibility while also being ready for future environmental regulations. The design aims to be fuel-efficient and maintenance–friendly, with high operational flexibility. —Hu Jin-Tao, the president of SDARI.
The company presented these latest test results in a paper at the SAE 2012 World Congress in Detroit. The test engine for the paper was a 250cc single-cylinder unit with dual-camshaft-actuated reciprocating sleeve valves for induction and exhaust. Compression ratio was set at 15:1, and the fuel used was 87 octane gasoline.
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