Since 1 November 2008, diesel used for private pleasure navigation is subject to Mineral Oil Tax (MOT) at the rate that applies to auto diesel, rather than the reduced rate that applies to Marked Gas Oil (MGO). No additional tax liability will arise for owners of private pleasure craft by a legislative amendment to prohibit the use of Marked Gas Oil in private pleasure navigation. It is not known if any additional revenue will be raised by a legislative amendment to prohibit the use of Marked Gas Oil in private pleasure navigation.