This site uses cookies to improve your experience. To help us insure we adhere to various privacy regulations, please select your country/region of residence. If you do not select a country, we will assume you are from the United States. Select your Cookie Settings or view our Privacy Policy and Terms of Use.
Cookie Settings
Cookies and similar technologies are used on this website for proper function of the website, for tracking performance analytics and for marketing purposes. We and some of our third-party providers may use cookie data for various purposes. Please review the cookie settings below and choose your preference.
Used for the proper function of the website
Used for monitoring website traffic and interactions
Cookie Settings
Cookies and similar technologies are used on this website for proper function of the website, for tracking performance analytics and for marketing purposes. We and some of our third-party providers may use cookie data for various purposes. Please review the cookie settings below and choose your preference.
Strictly Necessary: Used for the proper function of the website
Performance/Analytics: Used for monitoring website traffic and interactions
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.
A study by a team of researchers in the UK has estimated the contributions of brake dust, tire dust, and resuspended dust to non-exhaust traffic particles as. However, these reductions in combustion emissions have not been accompanied by similar reductions in nonexhaust emissions—i.e. 90% by the end of this decade.
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. The four-cylinder TDI engine with the internal designation EA 288 made its debut in 2012.
The selected 17 awards represent the best of nearly 1,000 ideas submitted for the FY 2012/13 Broad Based Topic Solicitation, DOE said. Hybrid Electric Turbocharger for Exhaust Energy Recovery and Transient Lag Reduction. NO x Sensor for Diesel Engine Emissions Systems. A Novel Exhaust after Treatment Catalyst.
BC mass emissions for all four GDI and PFI vehicles over the three different driving patterns. This may result in the need for new emissions control strategies—such as a gasoline particulate filter (GPF)—to enable compliance with California LEV III and US EPA Tier 3 particulate emissions standards. Click to enlarge.
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. Diesel engine emissions (DEE) are classified as probably carcinogenic to humans.
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.
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.
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.
A new Low Emissions Package that qualifies the 2012 Chevrolet Volt to access California’s High Occupancy Vehicle traffic lanes will be standard on all models sold in the Golden State early next year. Earlier post.). The additional oxygen helps the catalytic converter remove even more pollutants.
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.
Concept of the SOFC emissions control system. 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. Credit: ACS, Huang et al.
Oh presented a paper on the work, which was the result of two years of research activity in conjunction with Bombardier Recreational Projects, at the ASME 2012 Internal Combustion Engine Division Fall Technical Conference. For one, the [California Air Resources Board] CARB-established limit of HC+NO x emissions in the 7.4
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.
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. Oxidation of engine-generated NO to NO 2 is critical in diesel engine emission control for reducing NO x and carbon soot from the tail-pipe exhaust.
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. CO 2 emissions are down to 119 g/km.
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
The transient results illustrate the gradual formation of the nucleation mode particles with continuous increase in exhaust temperatures. Current 2010 USEPA emissions standards for NO x and PM are set at 0.20 The team used a MY 2007 Volvo MD11 engine compliant with USEPA 2007 emissions standards. 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. The D-EGR demonstrator is a converted 2012 Buick Regal with a 2.0-liter Hydrogen-enriched exhaust is routed to the intake.
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. The 2012 U.S. Caterpillar.
The global economic recession of 2008—which severely depressed light-duty vehicle sales—resulted in an increase in the age of the light-duty vehicle fleet in the US that likely slowed the rate of decrease of fleet average emissions, according to a study by Gary Bishop and Donald Stedman at the University of Denver.
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 for the plug-in demo cars. Earlier post.).
The Truck and Bus rule requires truck owners to install diesel exhaust filters on their rigs, with nearly all vehicles upgraded by 2014. Owners must also replace engines older than the 2010 model year according to a staggered implementation schedule that extends from 2012 to 2022. Earlier post.) Earlier post.).
Emission rates for the 1.7 A new study led by researchers at the University of Michigan compared regulated and unregulated emissions from both light-duty passenger car (1.7 Biodiesel also reduces smoke opacity, PM, CO, and NMHC emissions, although NO x may increase, depending on operating conditions. L engines at idle.
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 Amminex Ammonia Storage and Delivery System, in combination with the SCR-catalyst, delivers significant reductions in emissions under all real-life driving conditions. The technical reason for these high “off-cycle” NO x emissions is poor NO x conversion efficiency of installed SCR systems when exhaust temperature is low.
It has been estimated that the replacement of HA-oils will reduce the PAH emission originating from tire-tread-wear by 98%. Data available of dibenzopyrenes in other urban emission sources are diesel and gasoline particulate emissions. Non-exhaust traffic sources of particles. Using emission-factor models, 50?85%
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.
In an effort to accelerate the movement to zero- or near-zero emission locomotives, the California Air Resources Board (ARB) has petitioned the US EPA take action to adopt more stringent emission standards for locomotives. Newly manufactured locomotives would have some zero-emission mile capability. Source: ARB. Source: ARB.
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 1.4L’s turbocharger is integrated within the exhaust manifold, for reduced weight and greater packaging flexibility in small vehicles.
The new approach in catalyst structure is important for catalyst-assisted combustion in gas turbines fueled with natural gas, and may also help to address methane emissions in the automobile exhaust within the temperature range required for emission control, comments Dr. Robert J. Hernández Garrido, K. Bakhmutsky, T.
Contribution of gasoline and diesel exhaust to SOA over 0% to 50% diesel fuel use. The study determined that, depending on a region’s fuel use, diesel exhaust is responsible for 65% to 90% of vehicular-derived SOA, with substantial contributions from aromatic and aliphatic hydrocarbons. Gentner et al. Click to enlarge. Earlier post.).
The North American version of the 2012 Ford Focus will be powered by a 2.0-liter liter I-4 uses two camshafts: one to open the intake valves and one to open the exhaust valves. The overlap control via Ti-VCT helps us eliminate compromises in the induction and exhaust systems. Click to enlarge. As a DOHC design, the 2.0-liter
Liter engines starting in 2012. BorgWarner’s turbocharger technology will help this new engine meet the more stringent Interim Tier 4/Stage III B regulations without the need for exhaust aftertreatment or (DPF) Diesel Particulate Filters.
In the wake of a report by the German television station ZDF identifying widespread aftermarket manipulation of NO x emissions control technologies on trucks, the European Automobile Manufacturers’ Association (ACEA) is calling for government action to preclude such manipulation. —ACEA Secretary General Erik Jonnaert.
Performance levels of the new NH 2 are more than equal to those of a tractor similar size with a conventional engine, according to New Holland, without the operational exhaustemissions. La Bellotta Energy Independent Farm.
Fuel injection timing is the dominant factor affecting particle number (PN) emissions from gasoline direct injection (GDI) engines, with the major factor causing high PN emissions being fuel liquid impingement on the piston bowl, according to a new study by a team from the US National Renewable Energy Laboratory (NREL). Earlier post.).
BMW is applying a range of technologies to reduce fuel consumption and emissions. l/100 km (57 mpg US) and CO 2 emissions of 109 g/km. BMW will add further engines to the line-up in 2012, when the BMW ActiveHybrid 3 (using a powertrain similar to that of the ActiveHybrid 5, earlier post ) will also make its premiere.
The new Duramax engine is Euro-4 compliant and can be upgraded to meet Euro-5, -6 and US emission standards. Better efficiency also means better reliability, economy as well as lower emission levels. The new EGR system decreases NO x emissions by reducing charge temperature and reducing excess levels of O 2 in the combustion chamber.
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.
Volvo Cars confirmed that it will introduce a series-produced plug-in hybrid diesel as early as 2012. Volvo had first suggested the 2012 date for a diesel PHEV in September 2009. Based on the NEDC cycle, CO 2 emissions from Volvo’s plug-in hybrid will average out at 49 grams per kilometer, with fuel consumption of 1.9
Union Pacific Railroad is investing $20 million to test new technology designed to reduce diesel emissions from freight locomotives in California. A series of 25 experimental locomotives will be based in two Union Pacific rail yards in California as part of a test of emissions-reducing technologies. Earlier post.)
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. Click to enlarge. PSA concept D-EGR engine.
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.
We organize all of the trending information in your field so you don't have to. Join 5,000+ users and stay up to date on the latest articles your peers are reading.
You know about us, now we want to get to know you!
Let's personalize your content
Let's get even more personalized
We recognize your account from another site in our network, please click 'Send Email' below to continue with verifying your account and setting a password.
305 
Let's personalize your content