Contrarian alternative: electric
Induction cooktop, combo convection oven/microwave, slow cooker, pressure cooker, toaster, coffee maker, etc. Complemented by AC/DC fridges.
It's easier for us to use the boat's diesel
supply to run the genset when required, and we have the recharge batteries
I presume some inverters would power
some of that stuff, to, at least for occasional use.
Realize this may not work
for many cruisers, but since we carry 520 gals of diesel
... and since diesel is relatively common at fuel
docks pretty much everywhere... messing around with other fuels seems onerous.