で動く

run on; be powered by

→ で
phrase Uncommon #15,893
run on; be powered by Used of machines and vehicles; で marks the power source or mechanism.
JA: この車は天然ガスで動く。
EN: This car runs on natural gas.

そのエンジンは蒸気で動く。

That engine runs on steam.

このおもちゃの自動車は電池で動く。

This toy car runs on batteries.

ほとんどのエレベーターは自動で動く。

Most elevators operate automatically.