New electric boat and options keep popping up.

PBB #186 makes comments of a new Electric RIB with a retractable, hub-less electric rim propeller.
2 hours @ 20 kts, all day at 5 to 8 kts.
Model Pulse58

https://www.radpropulsion.com/
I'll be burning fuel for a long time before I go $110K USD.

Tideman Work Boats also has a 10 hour (@5mph), working local canals now.
twin Siemens 30-kW electric motors married to MerCruiser Alpha sterndrives.
https://tidemanboats.com/workboats/