汽车给予了人们极大的方便．却也是当代最大的污染源之一。令人欣慰的是，有实用价值的环保汽车已出现了。它预示着一个新的能源世纪将会诞生．取之不尽的氢气将成为干净的新能源。不久前，当德国的戴姆勒──平治汽车公司宣布在燃料电池汽车研制上新的进展时．日本丰田汽车公 Cars give people great convenience. It is also one of the largest sources of pollution in the contemporary era. Fortunately, environmentally friendly vehicles of practical value have emerged. It indicates that a new era of energy will be born. The inexhaustible hydrogen will become a clean new energy. Not too long ago, when Germany’s Daimler-Piedmont Motor Co. announced a new development in fuel cell vehicles. Japan Toyota Motor Corporation