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