I figured Chemical Engineering would be the best way to get into it because it's a really broad major.

我发现化学工程应该是接触新能源的最好方式，因为这个专业覆盖面也很广。

学习化学专业的原因 - SpeakingMax英语口语达人

But, um, it's very extensive, and

但是课程的覆盖面十分广泛，

哥伦比亚大学的教程 - SpeakingMax英语口语达人