Widespread but less costly changes would be required in virtually every city high-rise.

A more accurate and complete design means fewer costly, last-minute changes to equipment in production plants.

In recent years the program has undergone significant, and costly, changes.

Beyond the danger to drivers, there is some concern that this will also be a costly change, with more cars being wrecked.

Sony has made a series of costly changes in its entertainment operations.

A very costly and fundamental change in veterans' health care should not be done on the fly with a last-minute amendment.

Yet passing a big stimulus package now, he said, might make that kind of change too costly to propose in the future.

But just how substantive, and how costly the change should be, have been matters of debate.

Nor, the court said, had the agency considered less costly changes in the regulations.

It announced costly changes late last year that have already resulted in a $200 million write-off against earnings.