The EGR (Exhaust Gas Recirculation) valve helps lower the carâs exhaust emissions (gases from the tailpipe). It recirculates the portion of the gasses coming out of the engine by putting in back into the intake manifold, where the engine can burn it again, thereby reducing the emissions.he EGR (Exhaust Gas Recirculation) valve helps lower the carâs exhaust emissions (gases from the tailpipe). It recirculates the portion of the gasses coming out of the engine by putting in back into the intake manifold, where the engine can burn it again, thereby reducing the emissions.
Indeed The Failure of Popular Sovereignty ofÃ­ ers a novel interpretation of the role of slavery in territorial expansion. Popular sovereignty, the author argues, became the South's true manifest destiny. The great strength of this work is its narrative.
Colombiaâs Proof That Democracy Doesnât Work. Reacting to the failed referendum for a peace accord in Cali, Colombia, on Oct. 2. The article has been updated to reflect news developments. MEDELLÃ­N, Colombia âItâs a sad country,â says a girl with long copper-colored hair and a dazed look as she puts her phone away while holding back tears.