[m4rtink]

Yep: https://en.wikipedia.org/wiki/Bussard_ramjet

Gather interstellar hydrogen, use it to run a fusion engine for propulsion and power. :)

[themafia]

Also: https://memory-alpha.fandom.com/wiki/Bussard_collector

Star Trek assumed that all warp class vehicles would require them for operation and in-situ fuel replenishment.