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Table 4 Estimated BC emission from on-road mobile sources in India

From: Climatic benefits of black carbon emission reduction when India adopts the US on-road emission level

Vehicle technology BC/PM2.5 PM emission (Gigagram/year) BC emission = (BC/PM) ratio PM emission (Gigagram/year)
Indian on-road emission level
 On-road diesel vehicles 0.74 465.5 344.5
 On-road gasoline vehicles 0.19 41.3 7.8
US on-road emission level
 On-road diesel vehicles 0.74 145.2 107.5
 On-road gasoline vehicles 0.19 9.3 1.8
  1. BC emission reduction in switching from Indian emission levels to US emission levels = 243 Gigagram