The CO2 emissions thresholds for company car tax (CCT) bands will be shifted down by 5g CO2 per km, and the graduated table of CCT bands will be extended downwards to a new 10% band for cars emitting up to 99g CO2 per km, in place of the existing 10% band, the government announced. The chancellor added that 'to support the public finances and encourage fuel-efficient travel', the fuel benefit charge multiplier will increase from £16,900 to £18,000 from 6 April 2010.