"e82ebd1c-8241-4ca0-95a9-a6e1432519cd" . "NITROGEN OXIDES"^^ . "Nitrogen Oxides - NOx (pronounced \"nox\") are produced from high\ntemperature combustion in air. They are nitrogen oxide and nitrogen\ndioxide. [Science News; v146; 260-262; 1994] [Science; v242;555-558;1988.]"^^ . .