| 1. | A clean fuel ; a cleaner , more efficient engine
无污染燃油；无污染、效能更高的引擎 |
| 2. | Wwf supports the use of cleaner fuels for power generation
本会对天然气发电的意见 |
| 3. | They are trying to find a cleaner fuel for cars
他们正试图找一种更乾净的汽车燃料。 |
| 4. | Control of vehicle emissions - light buses using cleaner fuel
车辆废气的管制-小巴使用较环保燃料 |
| 5. | Clean fuels such as gas , liquified petroleum gas and natural gas
煤气液化石油气和天然气等清洁燃料 |
| 6. | Shanxi should realize the transformation of raw coal into clean fuel
山西应尽快实现原煤向洁净燃料的转化 |
| 7. | Light buses using cleaner fuel
-小巴使用较环保燃料 |
| 8. | Study on aromatics in developing catalysis and technology for clean fuels
清洁燃料催化剂和工艺开发中的芳烃研究 |
| 9. | Work towards requiring all new taxis to use cleaner fuel by the end of 2000
准备从2000年年底开始，规定所有新的士改用更环保的燃料。 |
| 10. | Catalytic research for clean energy and ultra - clean fuels in the 21st century - future perspectives
21世纪清洁能源与超清洁燃料催化研究的展望 |
