As California seeks a waiver from the EPA to establish its own carbon dioxide emission standards for cars, General Motors notes in its annual 10-K filing with the U.S. Securities and Exchange Commission that,
… Since CO2 emissions are directly proportional to the amount of fuel consumed by motor vehicles, CO2 emissions per mile are directly related to fuel consumption per mile. In this regard, California’s attempt to regulate CO2 emissions per mile is tantamount to establishing state level fuel economy standards…
This means that the only way to reduce automobile CO2 emissions is basically to make lighter — more deadly — cars.
Should you risk your life for the sake of CO2 emissions?