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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

the distribution of black carbon in the atmosphere and determine its role in the climate system. Black carbon (BC) is the second largest man-made contributor to global warming and its influence on climate has been greatly underestimated, according to the first quantitative and comprehensive analysis of this pollutant’s climate impact.

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EPA issues greenhouse gas proposals

Green Cars News

According to the findings, the six key greenhouse gases - carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), hydroflurocarbons (HFCs), perflurocarbons (PFCs) and sulphur hexafluoride (SF6) - threaten the welfare of both current and future generations.

EPA 39
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Nissan Updates on Nissan Green Program 2010; New Vehicle CO2 Needs to Be Reduced 90% by 2050

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According to the IPCC (Intergovernmental Panel on Climate Change) Fourth Assessment Report (AR4), global CO 2 concentration in the atmosphere should be stabilized below 450 ppm, Nissan noted. 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.

Nissan 150
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How Carmakers Are Responding to the Plug-In Hybrid Opportunity

Tony Karrer Delicious EVdriven

Larry Burns, GM vice president for research and development and strategic planning: "Whether your concern is energy security, global climate change, natural disasters, the high price of gas, the volatile pricing of a barrel of oil and the effect that unpredictability has on Wall Street - all of these issues point to a need for energy diversity. (

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Study finds cities can reduce CO2 more easily from residential conservation than transportation

Green Car Congress

The 11 cities analyzed in the study are Atlanta, Boston, Chicago, Cleveland, Denver, Houston, Los Angeles, Miami, Philadelphia, Phoenix, and Seattle. However, he notes, that is a relative outcome, and incremental emissions reductions from increased use of mass transit, among other things, may well be worth pursuing at the municipal level.