Overview: Four out of ten motorists break down each year — everything from running out of petrol to bursting into flames. William Woollard explores some of the organisations that could come to your rescue. What will succeed the Vauxhall Astra as Car of the Year? Chris Goffey looks at the contenders and discovers how the judges make their choice. Sue Baker looks at the future for the micro car: cheap to buy and tax and economical to run.