At last year's Tokyo Motor Show, Yamaha introduced a fuel cell scooter called the FC-me. It ran on a liquid methanol-water solution and its size and performance would have fit nicely in the 50cc ...

Small-engine motorcycles and scooters have grown increasingly ... or else require a 50cc minimum–which the Yamaha Zuma 125 easily surpasses. Rather, most of them simply rely on the basic traffic ...