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In developing plans for business intelligence (BI) projects, there ought to be clear descriptions of the goals how the project team intends to achieve. At the onset, it should be plain to all concerned how the undertaking is geared toward the integration of tools to forecast and analyze opportunities. It is quite distinctive from the typical applications utilized in developing business process (BP) applications that support the performance of day-to-day business needs. The EGR system routes a number of the exhaust gases (6 ? 10%) over the EGR valve, in for the Intake System, and finally inside combustion chamber. The exhaust gases are inert i.e. they cannot burn within the combustion chamber; also, the exhaust gases take up many of the space which will rather be taken from the intake air. This reduces the level of intake air available for the combustion process during each Power Stroke; which experts claim decreases the peak combustion temperatures. This leads to lower NOx emissions.