Assertion: moped's pedal | /r/HasProperty | necessary for motive power
Facets:
value: no longer
type: TEMPORAL
value: by 1920
type: TEMPORAL
Source sentences:
text: Engine technology improved rapidly and the pedals were no longer necessary for motive power by 1920, but inexpensive mopeds continued to be designed with them for starting purposes and for use as motive power instead of the engine when necessary.