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Fuel efficient ammonia generation strategy for lean-burn engines utilizing passive NH3-SCR for the control of NOx |
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Methods for engine exhaust NOx control using no oxidation in the engine |
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Catalyst materials for NOx oxidation in an exhaust aftertreatment system that uses passive ammonia SCR |
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Method for supplying reductant to an aftertreatment system |
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2012-07-10 |
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Hydrocarbon selective catalytic reduction for NOx control with gasoline-fueled spark ignition engines using engine-out hydrocarbons |
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Technique for production of ammonia on demand in a three way catalyst for a passive selective catalytic reduction system |
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2012-01-10 |
