Royal Bank of Scotland, last year awarded its highest-paid executive a base salary of £1.8m, 12.5 times more than the UK's Prime Minister and six times more than the country's highest-paid civil servant.

Forcing a part time cleaner on the minimum wage to pay more for fuel to commute to her/his place of work in order to subsidise business travel for executives (like above) would be a real disincentive for many to take up low paid employment.