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Charge should inspire innovation

On a world scale, charging heavily polluting vehicles such as large trucks could bring considerable benefits to poorer nations. I have often thought that obviously heavy polluting vehicles should be charged at the border and again at city limits and again inside the city. We would see a sudden influx of exhaust repair shops at these points bringing employment and income to the area. I'm thinking of places in Africa for instance, where vehicle pollution is ignored. David Cutter Knaresborough

21 Feb 2008

9:29 am