The US is getting rid of its old roof crush safety standard for cars

The US National Highway Traffic Safety Administration is proposing to remove an outdated safety standard for how much a car roof can crush in an accident. This means the old rule, which has been replaced by a tougher one, will no longer be on the books.

This is a housekeeping change. The old rule, FMVSS No. 216, was replaced by a stronger standard, FMVSS No. 216a, in 2009. The new rule requires roofs to withstand more force and applies to a wider range of vehicles. Removing the old standard just cleans up the rulebook.