Firstly, not an engine,
"engine: a machine for converting any of various forms of energy into mechanical force and motion."
With you on the other bits.
https://engineering.mit.edu/engage/ask-an-engineer/whats-the-difference-between-a-motor-and-an-engine/
"Not my words, Lynn, the words of Top Gear magazine the Massachusetts Institute of Technology."
@bq started
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"engine: a machine for converting any of various forms of energy into mechanical force and motion."
With you on the other bits.