Air pollution is major cause of disease and death in cities. Clean electric cars will be the ultimate solution. In the meantime, the a of Southampton has introduced a diesel bus that is fitted with a specially designed filter that removes ultra-fine particles from the air and traps them as the bus moves through the streets. The filter then allows the bus to blow out more pure air so that the air behind it is cleaner than that in front of it.
This bus cleans up the air as it drives around
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