In the area of zero emissions technology, fuel cells are very promising. When using hydrogen in a fuel cell, the only byproduct is water vapor. The technology can be used in automobiles, buses, and power plants. The main obstacle to its widespread u...
China is in a period of rapid economic development. Its size, both in land mass and human population, and the fact that it uses primarily coal to fuel its industrialization, make for a current air pollution problem and the potential for enormous glo...