But, to devise the rating systems, safety regulators have already calculated stability scores for many models through the 1998 model year.
To win approval to open the site, the department must persuade safety regulators that leakage will be strictly limited for the first 10,000 years.
The first formal meeting of top nuclear safety regulators is expected to take place in December.
But Ford, Firestone and federal safety regulators never detected the pattern.
But top safety regulators in Canada and Australia say their use of seat belts is about 10 percentage points higher.
She wants companies to shed their reluctance to share reports of problems with safety regulators.
Ford, Firestone and federal safety regulators said they had not recognized such a pattern in the statistics.
While the Congressional report was short on specifics, it did give one example of how the new arrangements could limit the effectiveness of safety regulators.
We have very good nuclear safety regulators in the Union, so an organisational shake-up is not necessary.
Firstly, many of the nuclear safety regulators were not prepared to agree to a European inspection procedure.