Petrol is set to become more expensive from January 1, after MPs backed a proposal to raise excise duties by a narrow majority. The tax on a litre of petrol will increase by 5.6 cents, with diesel up 3.6 cents and LPG by 1.3 cents, if the changes go ahead. MPs supported a ChristenUnie plan to redirect part of the money originally intended to keep pump prices down towards public transport. Earlier this year, the cabinet agreed to extend temporary...