Alistair Barr/Insider
- "Kei" cars are small, light and cheap. And they're cute.
- They are all over Japan, including big cities such as Tokyo, Kyoto and Osaka.
- Here are the most interesting tiny cars I saw on a recent trip to Japan, along with my top pick.
Vehicles are getting bigger and heavier in the US, which makes them more dangerous. And the larger they get, the less efficient they become.