The graph shows development of specific CO2 emissions for the road transport mode, by category (passenger cars, vans, two wheelers, buses & coaches, light-duty vehicles, heavy-duty vehicles) in 1995 and 2009.
Specific CO2 emissions data from road transport are modelled data derived from TREMOVE (http://www.tremove.org/model/index.htm)
Specific CO2 emissions are expressed in grams per passenger-kilometer for passenger cars, vans, two wheelers, buses & coaches and in grams per tonne-kilometer for light-duty vehicles and heavy-duty vehicles.
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