A new sedan by Nissan Motor Corp., dubbed 'the world's cleanest gasoline-fuelled car', will be marketed in Japan on August 30th, reports Associated Press/Kyodo News Service Thursday (27/7/00) citing Nissan's same-day announcement. The 1.8 litre 'Bluebird Sylphy' model will emit only 0.01 gram hydrocarbon, 0.33 gram carbon monoxide and 0.01 gram nitrogen oxide into the atmosphere for every kilometre travelled, said the company.