Alpha was a Japanese maker of small three- and four-wheeled minicars. Its Z103 model had one front wheel and two rear wheels, was based on the mechanicals of the Honda Gyro X, and kept the donor vehicle's motorcycle-style handlebar and seat. Built for use in Hokkaido, it was designed to cope with snow and rough roads. The Z104 was a four-wheeled version of the Z103 with a more angular body…