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Engineers develop cheap, simple tests for car emissions

Engineers working to tackle carcinogenic pollution from cars have developed cheap and simple devices to test the effectiveness of particle filters, which could help take toxic vehicles off roads without resorting to blanket bans.

JEFFREY LIPTON in BARBADOS – http://feeds.reuters.com/~r/reuters/businessNews/~3/kV23YVik3iU/engineers-develop-cheap-simple-tests-for-car-emissions-idUSKCN1QW17M