(Bloomberg) -- Europe’s automakers are showing off their latest battery-powered cars at the IAA Mobility car show this week as they try to challenge Tesla Inc. and fend off growing competition from China.Most Read from BloombergMercedes Bets on Range Boost in Swipe at Tesla’s EV LeadDiamond Prices Are in Free Fall in One Key Corner of the MarketHuawei Teardown Shows Chip Breakthrough in Blow to US SanctionsZelenskiy Swaps Out Defense Minister in Wartime Cabinet ShakeupThe number of Chinese compa