The 100%RB is to examine occupant restraint systems, but 40%ODB is to examine vehicle body frame.

RB碰撞试验考核的主要是乘员约束系统，而40%ODB碰撞试验考核的主要是车身结构。

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Proposed automotive regulations that would align U.S. and Canadian rules on tire safety and occupant restraint systems in frontal impact collisions (read more about an upcoming meeting to gather public input on next steps here).

WHITEHOUSE: The United States and Canada Announce Progress in Regulatory Cooperation | The White House