- Late 1860s: Earliest references to electric motorcycles can be found in patents.
- 1911: Electric motorcycle available according to early Popular Mechanics article.
Many, many years ago, I recall a teacher saying that a motor meant electric motive power and engine meant internal compustion engine. He went on to say that some of the very first motorcycles where called that because they used motors and not engines. Don’t know if it’s true or not