Japanese police on Wednesday stressed to the public that riders of electric motorized suitcases must have a driver's license after a Chinese woman became the first person to be referred to prosecutors for unlicensed riding.The three-wheeled suitcase the woman used can travel at a maximum speed of 13 kilometers per hour, the police said, adding that in Japan such vehicles are classified the same as mopeds with engine displacements of 50 cc or less.The woman in her 30s who studies in Japan was referred to prosecutors on Tuesday after she allegedly rode her suitcase on a sidewalk in Osaka on M…READ FULL ARTICLE