Kelvin was created by the Scottish Bus Group ( SBG ) as a limited company wholly owned by the group in March 1985 in preparation for bus deregulation the following year .
Kelvin was began operation three months later .
Kelvin was created by the Scottish Bus Group ( SBG ) as a limited company wholly owned by the group in March 1985 in preparation for bus deregulation the following year , and began operation three months later .