Elizabeth Carmichael, was a transgender woman a larger-than-life entrepreneur rose to prominence with her promotion of a fuel-efficient, three-wheeled car known as The Dale and also a convicted fraudster. During the 1970s energy crisis, Carmichael promoted a prototype for a low-cost fuel-efficient car via Twentieth Century Motor Car Corporation, but fled with investor money.[1] She was captured in 1989, and served 18 months on fraud charges.