text: Obama's goal is to save the greenhouse gas emissions. Obama has been seeing that barley anybody has been buying cars. Why? The money is rising. Cars and gas has been getting expensive. America's love with vehicles has been cooling. In 2005, car driven miles has dropped steadily. In April, 2013, the miles driven per person has dropped 9 percent to where it has been below the peak and equal to where the country was in January 1995. Now, the greenhouse has been getting better plants.