alumina a plurality of the embers are placed loosely on a burner in registry with the flames of the burner in order to produce a simulation of actual glowing embers the plurality of glowing embers simulates an actual ash bed or coals within the gas fired log set the glowing artificial embers release a minimal amount of no 2 and co emissions while creating a more realistic and brighter glow application_number US 66866007 A description the artificial embers as depicted in the drawings function to provide an aesthetically pleasing simulated ash or coal bed for use in gas fired log sets in gas appliances the artificial embers may be used in both vented or un vented fireplace applications and meet ansi standards regarding combustion requirements for co and no 2 emissions as illustrated in fig1 a typical gas fired log set 1 may include but is not limited to artificial logs 2 a grate 3 a rear burner 4 a pan burner 30 containing a plurality of pan burner ports 32 a controls and valve assembly 6 a pilot 7 and the lava rocks 8 within either masonry or pre fabricated fireplaces or in any other u201c fireplace u201d type setting whether commercial or.