https://apnews.com/1cfd94c7cd4740a388c9bce777e83d59

DETROIT (AP) — Safety features such as automatic emergency braking and forward collision warnings could prevent more than 40% of crashes in which semis rear-end other vehicles, a new study has found.

The Insurance Institute for Highway Safety, a research group supported by auto insurers, also found that when the rear crashes happened, the systems cut the speeds by over 50%, reducing damage and injuries.