The state will hold hearings on the proposed emissions regulations for 1995 in the spring.

However significant changes were made to the engines to meet new Australian emissions regulations.

This was possible because the Mexican emissions regulations remained relatively free at the time.

Also, emissions regulations in some states mean that diesel cars cannot even be sold there.

Fuel quality plays a very important role in meeting the stringent emission regulation.

California is expected to approve today an even stricter set of emission regulations than those for the 1993 model year.

This is due to additional devices to allow them comply with emissions regulations.

At the same time, emissions regulations were demanding cleaner exhaust.

The city is also overrun with old and aging cars which do not meet today's emission regulations.

Most of the earliest cars went to America, delivered before emissions regulations tightened in 1997.