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  • ==Purpose and function of a NOx adsorber== ...cularly [[diesel engine|diesel]]s, present a special challenge to emission control system designers because of the relatively high levels of O<sub>2</sub> (at
    3 KB (520 words) - 10:13, 20 September 2010
  • ...her-developed version of the air-guided combustion process with continuous control of charge movement. ...emission treatment system, with a NOx storage-type catalytic converter and NOx sensor.
    3 KB (478 words) - 15:00, 20 May 2010
  • ...ork without being clogged by the soot. Hence the effectiveness of the lean NOx catalyst is not reduced by soot covering the active sites of the catalytic ...article filters''' are a new technology: high cost catalytic [[pollution]] control module added to [[diesel engine]]d cars to eliminate the characteristic bla
    4 KB (684 words) - 08:31, 22 December 2010
  • ...'''SCR''') is a means of converting nitrogen oxides, also referred to as [[NOx]] with the aid of a catalyst into diatomic nitrogen, N2, and water, H2O. A Selective catalytic reduction of NOx using ammonia as the reducing agent was patented in the United States by th
    9 KB (1,439 words) - 00:14, 31 March 2010
  • |NOx = g/km ...e amount of fuel supplied to the engine. This is achieved using an airflow control unit, consisting of airflow sensor, and fuel distributor. Fuel regulation i
    3 KB (409 words) - 03:50, 5 July 2010
  • ...osed in the hot exhaust gases in a specific [[catalytic converter]]. The [[NOx|oxides of nitrogen]] formed at combustion are converted into elementary nit ...eing built, expanding an infrastructure that makes use of urea in emission control feasible.
    3 KB (535 words) - 10:43, 17 August 2010
  • ...ollution-causing emissions produced by [[automobile]]s. Exhaust emissions control systems were first required on 1966 model year vehicles produced for sale i ...gen under the high temperature and pressure conditions inside the engine. NOx emissions contribute to both smog and acid rain.
    10 KB (1,564 words) - 03:22, 26 May 2010
  • ...imit the maximum RPM through the engine control module ([[ECM]]) or engine control unit ([[ECU]]) - the engine-mounted "computer". The [[ECM]]/[[ECU]] receiv ...her efficiency but also results in higher emissions of Oxides of Nitrogen (NOx) due to the higher temperatures. At the other extreme, very retarded start
    5 KB (818 words) - 19:13, 14 August 2006
  • ...types designed to reduce combined NO<sub>x</sub>+HC [[automobile emissions control|emission]]s from 12 gram/BHP-hour to 3 gram/BHP-hour or less, per the [[Env ...by three-way converters due to regulatory changes requiring reductions on NOx emissions.
    22 KB (3,502 words) - 10:56, 28 March 2010
  • ...isoned by these compounds. These systems can greatly reduce emissions of [[NOx|oxides of nitrogen]] and [[Particulate|particulates]].
    3 KB (513 words) - 14:51, 14 July 2006
  • |NOx = g/km ...W) and 360&nbsp;ft·lbf (488 N·m) of torque due to more stringent emissions control requirements.
    5 KB (758 words) - 21:54, 6 July 2010
  • |NOx = g/km Another 2UZ-FE variation adds [[VVT-i]] and [[electronic throttle control]].
    10 KB (1,508 words) - 10:18, 20 July 2010
  • ...-burn ability which increases efficiency at the expense of slightly higher NOx emissions. ...ges the batteries using a process called regenerative braking. A computer control module regulates how much power comes from the internal combustion engine a
    13 KB (1,889 words) - 00:35, 7 October 2010
  • ...of these goals are conflicting, and it is impractical for a single engine control system to fully optimize all criteria simultaneously. In practice, automoti ...nsor), they are also very accurate. The advent of digital closed loop fuel control, based on feedback from an EGO sensor, permit EFI to significantly outperfo
    33 KB (4,922 words) - 12:15, 4 June 2009
  • ...missions, as well as more advanced technologies, such as nitrogen oxide ([[NOx]]) adsorbers (still under development), to reduce emissions. However, lower
    11 KB (1,779 words) - 06:15, 2 November 2009
  • ...in adverse weather conditions. The addition of extra torque and excellent control of the electric motor can be a benefit in other situations. ...e storage catalyst controlled by the engine management system to treat the NOx and then a particulate filter downstream in the exhaust to further treat pa
    11 KB (1,928 words) - 04:35, 18 February 2010
  • ...st with E85 fueled Chevrolet Luminas showed that NMHC went down by 20-22%, NOx by 25-32% and CO by 12-24% compared to reformulated gasoline<ref>Kelly, K.J ...of fuel delivery with fuel injection engines featuring closed loop lambda control. In some engines ethanol may degrade some compositions of plastic or rubbe
    21 KB (3,045 words) - 06:53, 26 May 2010
  • |NOx = g/km ...] fuel injection system was added to American units to help with emissions control. 914 production ended in 1976. The 2.0&nbsp;litre engine continued to be
    12 KB (1,683 words) - 08:57, 22 June 2010
  • ...tle plate. Engine speed is controlled by the [[engine control unit|engine control unit/engine management system]] (EMS), which regulates fuel injection funct ...xhaust gas recirculation]] (EGR) may help reduce the high nitrogen oxides (NOx) emissions which can result from burning [[lean burn|ultra lean]] mixtures.
    26 KB (3,828 words) - 09:08, 21 August 2009
  • ...stent exhaust flows and temperatures, also allows after-treatment emission control technologies to be optimized.[http://www.dieselforum.org/fileadmin/template ...lls connected in series. The Canter Eco Hybrid features a 41% reduction in NOx and 46% decrease in particulate matter (PM) versus conventionally-powered m
    18 KB (2,608 words) - 02:08, 19 May 2009

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