Vehicle Trade-offs and Considerations on Emission Driven Engine Changes 2001-01-2784

Many systems in a vehicle are affected by the engine. As such, changes made to the engine can have far reaching implications that require sub-system level, system level, and in some cases vehicle level trade-off decisions in order to accommodate the changes. The inputs needed to make these trade-off decisions come not only from across the functions within Engineering but also from the larger enterprise. There are many ways to address the emissions driven engine changes but vehicle engineers are challenged to find solutions that either minimize the impacts of the changes or make the impacts acceptable within trade-off considerations. Among the trade-off considerations are cost, vehicle configuration, time, fuel economy, noise, durability, and visibility.