1961 Taylor-Dunn Trident. If you weren’t aware, California was a weird place in the 1960s. Still is, really. But this was their idea of a car. Originally introduced as a glorified grocery kart in 1955, the three-wheeled electric runabout was called the Taylor-Dunn PG. In 1959, the Trident was introduced. It still used a one horsepower electric motor – but it also had road-going capability.