Though the law will require emissions testing of all diesel vehicles, from
tractor trailers to excursion buses, it will have no effect on sport utility
vehicles, almost all of which are gasoline powered, and will not be subjected
to emissions-control standards as stringent as they are for
diesel-powered vehicles.
A. powered, and will not be subjected to emissions-control standards as
stringent as they are for
B. powered, and therefore not subjected to emissions-control standards
that are as stringent as those of
C. powered and therefore not subject to emissions-control standards as
stringent as those for
D. powered, which are not subject to emissions-control standards as
stringent as they are for
E. powered and therefore they are not subject to emissions-control
standards as stringent as those of