On: “Inside-out Wankel” rotary engine delivers 5X the ...

[leansensei]

> this is backwards. the reason cargo ship engines are big is because they don't care about size. they would rather have a 2x bigger engine that was 1% more efficient

Depends on the fuel cost.

[anecdotal1 → leansensei]

Does it? They only need to get to it international waters and then they switch to bunker fuel which is as cheap as it gets

[LargoLasskhyfv → leansensei]

Or the fuel volume. Think of LNG-powered LNG-tankers.

Like these: https://en.wikipedia.org/wiki/CMA_CGM_Jacques_Saad%C3%A9

[lazide → leansensei]

How so? 2x bigger has no bearing on fuel cost, but efficiency does.