Under the new limits, greenhouse gas emissions from cars will be cut by 30%, there also be a new fuel efficiency standard of 35 miles a gallon, and it will have to happen within years by 2016.

• 根据新的限制规定，汽车的温室气体排放量将被削减30%25，同时出台的还有“每35英里一加仑油”的新的低油耗标准，而这些规定必须在2016年之前实行。