China has become one of the world’s biggest economic superpowers. The country is booming, and personal wealth and prosperity are on the rise – especially among the middle class. But that has its drawbacks, too. More goods, services and people are on the move, and China’s roads are becoming increasingly congested. Many cities and towns are plagued by air pollution problems. That all adds up to a troubling fact: China produces more CO2 emissions than any other country in the world. Most of those emissions comes from the transportation industry. And the demand for fuel – which has to be imported – is getting harder and harder to meet. Read More