Certain Cummins Westport engine models ISL G and ISX12 G are being recalled by Cummins Inc. and its joint venture Cummins Westport for a potential defect that could raise exhaust temperatures and ...

Researchers have created a catalyst capable of reducing pollutants at the lower temperatures expected in advanced engines. As cars become more fuel efficient, less heat is wasted in the exhaust, which ...

This system can switch between “main lift,” which is what is normally provided, and “alternative lift,” which would provide for any of several different valve timing regimens that can raise exhaust ...

Cooled-EGR (Exhaust Gas Recirculation) systems have been used since October 2002 by five major engine manufacturers (Cummins, Detroit Diesel, International, Mack and Volvo) to reduce emissions of smog ...

Exhaust manifold bolts help form a seal between the block and the manifold. However, these bolts can fail over time. Here's ...