碳氢化合物的改进物。使引擎在高压缩比时运转较为顺畅。

Cetane improver. Makes the engine run better at higher compression Settings.

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一个更好的方法将是促使商人和消费者把基础做好，比如改进建筑物的隔热效果并更换过时的制热和制冷设备。

A better approach would be to push businesses and consumers to do the basics, such as to improve building insulation and replace obsolete heating and cooling equipment.

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但是，研究发现自动转向干预仍是汽车工业中一个专项问题，因为行使路线的改进将增加与其他障碍物碰撞的可能性。

However, the research found that automatic steering intervention is still a delicate issue in the industry because changing course opens up the possibility of vehicle collision with another obstacle.

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