Key PointsBeta Technologies is an electric air taxi concept with plans to serve industrial cargoes and medical supplies. The company just raised over $1 billion in an IPO, which it will need because of its heavy cash burn. The early-stage nature of the eVTOL business makes an investment in Beta Technologies risky.10 stocks we like better than Beta Technologies › If you ask an investor about electric vertical takeoff and landing (eVTOL) stocks, t…