text: Finally in the US president Obama had goals to curb the US` greenhouse gas emissions were unveild. Recent studies in America show that fewer Americans are buying cars and get fewer licenses as each year goes by. The US having broad expanses and suburban ideals had long been on of the world`s prime car cultures. It`s the birth place of the first ever model T in Detroit. The rate of car ownerships per household and per person slowly began to decrease withing 3 years. If the patteren persists and many beleve it will it will have benificial implications for the US` carbon emissions and the environment. transportation is the 2nd largest source behind power plants. It would have a negative implication for the car industry. ther has been a large drop in percentage of 16-39 years old getting their licenses.