Those vehicles confirmed as gross polluters will then be required to be repaired.
(Those vehicles; confirmed; as gross polluters will then be required to be repaired) (gross polluters; will be required; to be repaired; T:then) (gross polluters; to be repaired; )
Those vehicles gross polluters gross polluters
confirmed will be required to be repaired
as gross polluters will then be required to be repaired
to be repaired T:then