What does "wasted" mean in this context?
i assume heat since most energy in an ICE engine is wasted to heat (~60% wasted iirc)
It means that it doesn't generate any mechanical work, it's wasted as heat not captured for any other productive purpose (since waste heat can be useful in some contexts).
It's a measure of efficiency.
i assume heat since most energy in an ICE engine is wasted to heat (~60% wasted iirc)