http://www.bbc.co.uk/news/science-environment-38170794
The leaders of four major global cities say they will stop the use of all diesel powered cars and trucks by the middle of the next decade.
The mayors of Paris, Mexico City, Madrid and Athens say they are implementing the ban to improve air quality.
They say they will give incentives for alternative vehicle use and promote walking and cycling.
The commitments were made in Mexico at a biennial meeting of city leaders.
A world without torques, who will tow all the caravans???????????????????
The leaders of four major global cities say they will stop the use of all diesel powered cars and trucks by the middle of the next decade.
The mayors of Paris, Mexico City, Madrid and Athens say they are implementing the ban to improve air quality.
They say they will give incentives for alternative vehicle use and promote walking and cycling.
The commitments were made in Mexico at a biennial meeting of city leaders.
A world without torques, who will tow all the caravans???????????????????
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