Replace old diesel vehicles, proposes a Japanese study
A Japanese study, undertaken to explore measures to reduce emissions from diesel-powered vehicles, has proposed the replacement of old vehicles with new models. Conducted by experts from the transport ministry, the international trade and industry ministry and the environment agency, the study has said that owners of vehicles manufactured in 1989 or before -- when there were no emission regulations -- should replace their vehicles with new ones. If this proposal is implemented, about 80 per cent of buses and about 70 per cent of trucks plying in Japan would have to be replaced.
The study had considered whether to require owners of all diesel-powered vehicles, regardless of when they were manufactured, to either install better mufflers with diesel particulate filters or to purchase new models. But in the end, almost all the experts decided that this would not be possible and felt that they only way to reduce emissions would be to replace them.
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