An example of someone bringing a 100w TEG system to market. An ICE is kinda like a stove, right? Quite pricey at +$1000.00 USD, especially without TEGs included:
"Introducing the first plug & play TEG Water Cooled System with an accessory solar input, battery charger and patent pending prioritization for active cooling. Our Patent Pending Tegpro Multi TEG & Solar Battery Charger with Pump Priority is a mulit-input charge controller that prioritizes power to the active cooling system onboard. It also displays voltage and current while charging your battery system.With the factory settings the unit can charge up to 14.4 VDC (can be set at factory set from 12 - 28.8 VDC, so please ask tell us!) and will accept up to 30 V DC inputs. ..."
https://172.98.64.46/thermoelectric-...oled-teg-sytem