electric cars haveseveral potential benefits as compared to conventional automobiles that include a signigicant reduction of air pollution.

여기에서 as compared to conventional automobiles 이 부사구고
that 이 several potential benefits 에 주격관대로 보면 되는 건가요??

아니면 as compared to conventional automobiles that include ~~를 같이 봐야하나요??