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After discussions and agreements for PROCONVE P7 definition and implementation in Brazil, it has been started the process of investigation and definition of the best strategy to achieve emission limits targets. The OEM's strategies are being defined considering different factors as system cost, company worldwide strategy, development lead-time, and others. An important factor to be considered is the long term strategy for after-treatment systems to be adopted in the next legislation, in order to align the current strategy with the future technologies. PROCONVE P8 which is expected to be similar than the EURO6 European legislation presents a significant emission restriction and will drive the strategies to be considered on engine development activities. It's expected that the EURO6/P8 after-treatment development timing and costs will be even more relevant than the engine development costs.

Transportation needs and usage have increased with GDP around the world. The emissions of soot, NOx, CO and hydrocarbons from both gasoline and diesel engines that result from the use of transportation has been regulated for some time in North America and Europe. Other parts of the world are following this lead. Many Countries around the world, including Brazil, are adopting European regulations for both emission control and fuel quality. Several combinations of engine management and emission control systems are able to meet these increasingly stringent emission requirements called for in the European Euro IV and V heavy Duty diesel rules. Examples of engine / emission control system combinations as well as the methodology to develop the emission control systems will be discussed. Finally, the performance of several emission control systems will be presented.