For many years the fleet operator has awaited the day when his company car drivers all hand back their car keys. Last year's Budget saw the saw start of progressive taxation on employer provided fuel that will encourage the driver to elect buy his own private fuel. This year the Chancellor announced a major change in the way company cars will be taxed from 2002. A new system that will be based on carbon dioxide emissions will be introduced. In the years up to 2002 an interim change was announced. Rules are as follows: