When you hear reports on the radio news or television from such cities as Mexico City, Cairo, Egypt, Moscow, Russia among others, that give announcements that, "today air pollution index levels are high, so elderly persons and children should not go out" or "asthmatics going outside today must carry portable oxygen cylinders with them" you should have pause to wonder about what's happening with gasoline or diesel-powered automobile and truck emissions controls. Are eco friendly cars truly a possibility from manufacturers like GM, Toyota, Nissan and BMW?
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