One of these petroleum by-products is isoprene. This is used to make the synthetic rubber in car tyres.
还有个石油副产品是异戊二烯(译者注：橡胶基质)，用来生成汽车轮胎需要的合成橡胶。
2
The international petroleum price keeps on soaring, which has a great impact on the Chinese petroleum industry as well as the related professions, particularly the car industry.
近期国际石油价格持续上涨，中国石油相关行业受到了较大的影响，尤其对中国的汽车工业造成冲击。
3
If a car did not maintain well, the car driving in slow velocity will emit more waste gas and spent more petroleum.