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