A combustion engine includes an engine block and at least one carbon foam element, {HEAD ~ the foam element} extending into the engine block or disposed in {TAIL ~ thermal contact} with at least one engine fluid 
disposed in
A combustion engine includes an engine block and at least one carbon foam element , { HEAD ~ the foam element } extending into the engine block or disposed in { TAIL ~ thermal contact } with at least one engine fluid
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH