The vehicles of choice in Thailand, along with a bunch of other far-away locales, are Tuk Tuks, three-wheeled machines that marry the front end of a scooter to the rear end of a passenger car.

Tuk-tuks are the three-wheeled passenger vehicles commonly used in Asia, and they're often noisy and most-certainly-not-emissions-free. To counter the current state, Japanese start-up company ...