The invention of motor vehicle can be considered as one the most important invention in the world. Cars have changed the world in different aspects more important in economic development. Socially, cars have had the automobile effects as people become more consumed in traveling culture. America has been considered as a nation on the move as people keep on moving from one place to another in search of brighter economic fortunes. This could not have been possible were there no cars. Therefore apart from creating social concept of auto mobility that came with development of the automotive industry, cars have been valuable for economic growth, and hence they are part and parcel of our life. However, they have come with negative effects on the social, environmental, and economic life of people. Cars have been responsible for global warming, rising oil prices, accidents due to compromised safety and others. Since they are a part and parcel of our life, cars should therefore be more efficient.