Coal is the source of 50% of fossil fuel CO2
Under the California standard, the carbon intensity of California’s passenger vehicle fuels would be reduced by 10 percent by 2020.
National Low Carbon Fuel Standard (NLCFS)
part of obama plan
National standard for low carbon fuel
5 percent in 2015 and 10 percent in 2020.
renewable fuels, such as corn and cellulosic ethanol, and biodiesel made from plant oils such as soybeans.
Global increases in methane and and nitrous oxide due to?
Increase in carbon
Fossil fuel
Jim hansens suggestion of reducing Co2
CO2 to 350 ppm