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Black carbon is a much larger cause of climate change than previously assessed; about twice previous estimates, and 2/3 the effect of CO2

Green Car Congress

Emission rates of BC in the year 2000 by region, indicating major source categories in each region. Total global emissions of black carbon using bottom-up inventory methods are 7500 Gg yr -1 in the year 2000 with an uncertainty range of 2000 to 29000. Source: Bond et al. Click to enlarge. W m -2 (+0.17 W m -2 range).

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Nissan Updates on Nissan Green Program 2010; New Vehicle CO2 Needs to Be Reduced 90% by 2050

Green Car Congress

Nissan estimates—based on the findings of AR4—that the CO 2 emissions of all new vehicles in 2050 would need to be reduced by 90% compared to the 2000 level. During FY2007 and FY2008, per-unit CO2 emission from all the Nissan plants was globally reduced by 10% (compared to 2005 level). Raleigh, N.C. and Washington, D.C.

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