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The EGR system routes a few of the exhaust gases (6 ? 10%) through the EGR valve, back in towards the Intake System, and ultimately within the combustion chamber. The exhaust gases are inert i.e. they do not burn in the combustion chamber; also, the exhaust gases undertake a few of the space which may preferably be taken with the intake air. This reduces the quantity of intake air available for the combustion process during each Power Stroke; which decreases the peak combustion temperatures. This results in lower NOx emissions. Expensive cosmetics can lead you to petroleum-based ingredients and other artificial materials that have questionable safety testing records. Why not use safe, natural skin oils with your beauty routine instead? When you know a component is good to nibble on, you can be positive it is safe to use on your skin, your largest organ. 7. Using distractions