New Pierburg air blower with speed-controlled motor for reduction of gasoline engine emissions
Green Car Congress
MARCH 13, 2018
Secondary air systems are used to reduce gasoline engine emissions by accelerating catalytic converter heat-up. The latter allows secondary air injection across a much wider engine map range and hence, at any given point in time, the precise air mass required for accelerating converter heat-up is injected into the exhaust system.
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