Fuel efficiency cars are something that we really need in society today. Unfortunately, there are some tradeoffs. For instance to make a car more fuel efficiency manufactures would have to make the car lighter. With the technology we have now, making the cars lighters will make it a little less safe when in car accidents. Also they are at the time more expensive than our regular vehicles we have now. So lighter unsafe cars and more expensive cars are the tradeoffs we have for the more fuel efficient cars that we have as of now.
With increased government involvement with regard to fuel efficiency will cause the manufactures to spend more money on the technology of making car more efficient. By forcing