Hyundai has slashed 80% of staff from its futuristic flying EV company in California — in yet another blow for business in the Golden State. Supernal, which makes vertical take-off prototypes, revealed last week it was axing 296 jobs at plants in Orange County and Fremont and at a test site in Mojave. The $1.7 billion startup, which relocated from Washington DC to California three years ago, said it would consolidate operations to its Irvine headquarters. A spokesman told the Orange County