[Jonty30]

Here is the chemical equations behind the conclusions.

http://blueskymodel.org/gallon-gas

I personally believe that CO2, that we produce, is good for the environment and will spur more plant growth.

[blackdog]

Electricity produced in U.S. average 1.4 pounds of CO2 per kWh
An electric car battery charge = 450 pounds of co2 per full charge. A gasoline powered car = 300 pounds of co2 per tank.