fuel densification

例句：

1. 1.The increase in fuel density has made the engine more efficient.
   燃料密度的增加使发动机更加高效。
2. 2. In order to reduce fuel consumption, the company is exploring alternative fuel sources.
   为了减少燃料消耗，公司正在探索替代燃料来源。
3. 3. The research on fuel densification is crucial for improving energy efficiency.
   燃料密度研究对于提高能源效率至关重要。