Petrol prices 'to rise steeply until spring' By David Derbyshire, Consumer Affairs Editor (Filed: 21/01/2006) Motorists should be braced for yet more steep rises in the price of petrol over the coming months, the AA Motoring Trust warned yesterday. The cost of a litre of unleaded was likely to rise above 90p within weeks and could well shoot up further, a spokesman said. The warning came as the trust published a report into the spiralling cost of fuel. Petrol and diesel prices started the New Year about 10p per litre higher than in January 2005, it said. With the average...