Tesla sales plunge 40% in Europe as Chinese EV rival BYD's triple

1. Tesla's European sales fell 40% in July, a seven-month decline. 2. BYD saw a 225% increase in new car registrations in the same period. 3. Chinese electric vehicle brands now hold over 5% market share in Europe. 4. Tesla's challenges include fierce competition and reputational issues. 5. Volkswagen and BMW reported increases, contrasting with Tesla's decline.