In China's auto market, worries grow that cashback deals and gifts presage damaging price war

HANGZHOU, China/SHANGHAI (Reuters) - Cashback offers, up to 10 free oil changes, generous prepaid gasoline cards - these are just some of the giveaways China's auto dealerships are using to woo customers out and about after spending much of February and March in lockdown. For the most part, they are getting the job done.Cui Peng, a Geely sales manager in the eastern city of Hangzhou, says unit sales at his dealership jumped 30% in April from March and they are hoping for 25% growth in May. That..