Abstract: Methods and systems are provided related to an emissions control system. The emissions control system has an exhaust after-treatment system defining a plurality of distinct exhaust flow passages through which at least a portion of an exhaust stream can flow, e.g., the exhaust stream is produced by an engine. The emissions control system also includes a controller for controlling injection of reductant into the exhaust stream flowing through each of the flow passages. In one example, the emissions control system is configured for use in a vehicle, such as a locomotive or other rail vehicle.

Abstract: Methods and systems are provided related to an emissions control system. The emissions control system has an exhaust after-treatment system defining a plurality of distinct exhaust flow passages through which at least a portion of an exhaust stream can flow, e.g., the exhaust stream is produced by an engine. The emissions control system also includes a controller for controlling injection of reductant into the exhaust stream flowing through each of the flow passages. In one example, the emissions control system is configured for use in a vehicle, such as a locomotive or other rail vehicle.

Abstract: Various systems are provided for supporting an exhaust gas treatment system vertically above an engine in an engine system. In one example, an engine system includes an engine; a support structure including a base and a plurality of mounting legs, a first end of each mounting leg of the plurality of mounting legs coupled to the base and an opposite, second end of each mounting leg of at least a portion of the plurality of mounting legs coupled to the engine, where at least three mounting legs of the plurality of mounting legs and the base form two triangles within a same plane of the support structure; and an exhaust gas treatment system positioned vertically above and mounted on the engine via the support structure.

Abstract: Methods and systems are provided related to an emissions control system. The emissions control system has an exhaust after-treatment system defining a plurality of distinct exhaust flow passages through which at least a portion of an exhaust stream can flow, e.g., the exhaust stream is produced by an engine. The emissions control system also includes a controller for controlling injection of reductant into the exhaust stream flowing through each of the flow passages. In one example, the emissions control system is configured for use in a vehicle, such as a locomotive or other rail vehicle.

Abstract: Methods and systems are provided related to an emissions control system. The emissions control system has an exhaust after-treatment system defining a plurality of distinct exhaust flow passages through which at least a portion of an exhaust stream can flow, e.g., the exhaust stream is produced by an engine. The emissions control system also includes a controller for controlling injection of reductant into the exhaust stream flowing through each of the flow passages. In one example, the emissions control system is configured for use in a vehicle, such as a locomotive or other rail vehicle.

Abstract: Methods and systems are provided related to an emissions control system. The emissions control system has an exhaust after-treatment system defining a plurality of distinct exhaust flow passages through which at least a portion of an exhaust stream can flow, e.g., the exhaust stream is produced by an engine. The emissions control system also includes a controller for controlling injection of reductant into the exhaust stream flowing through each of the flow passages. In one example, the emissions control system is configured for use in a vehicle, such as a locomotive or other rail vehicle.

Abstract: Various systems are provided for an apparatus. In one example, the apparatus includes an expansion plenum with a plurality of outlets directing flow in a common first direction, and an inlet receiving flow in a second direction angled with respect to the first common direction. The apparatus further includes at least one mating structure operatively coupled to one of the plurality of outlets, the at least one mating structure configured to provide a determined amount of exhaust gas to an exhaust gas treatment system.

Abstract: Methods and systems are provided related to an emissions control system. The emissions control system has an exhaust after-treatment system defining a plurality of distinct exhaust flow passages through which at least a portion of an exhaust stream can flow, e.g., the exhaust stream is produced by an engine. The emissions control system also includes a controller for controlling injection of reductant into the exhaust stream flowing through each of the flow passages. In one example, the emissions control system is configured for use in a vehicle, such as a locomotive or other rail vehicle.

Abstract: Various systems are provided for an apparatus. In one example, the apparatus includes an expansion plenum with a plurality of outlets directing flow in a common first direction, and an inlet receiving flow in a second direction angled with respect to the first common direction. The apparatus further includes at least one mating structure operatively coupled to one of the plurality of outlets, the at least one mating structure configured to provide a determined amount of exhaust gas to an exhaust gas treatment system.