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