There has always been a none smoking policy, but please note that from the 26th of March, 2006 it is now an criminal offence and you may be fined 50.00 and the driver could be fined 200.00
Seat Belts
As from the 18th of September 2006, all passengers must now wear seat belts in accordance to the EC Directive 2003/20/EC. See www.dft.gov.uk should you require further information.