more gas

code/game/gamemodes/wizard/spellbook.dm

@@ -295,6 +295,7 @@
 	item_path = /obj/vehicle/firebird
 	log_name = "FB"
 	category = "Mobility"
+
 /datum/spellbook_entry/item/firebird/Buy(mob/living/carbon/human/user,obj/item/weapon/spellbook/book)
 	. = ..()
 	if(.)

code/modules/vehicles/firebird.dm

@@ -25,8 +25,26 @@
 	..()
 	setDir(move_dir)
 
+/obj/effect/overlay/temp/firebird_firetrail
+	icon_state = "nothing"
+	layer = BELOW_MOB_LAYER
+	duration = 2
+	randomdir = 0
+
+/obj/effect/overlay/temp/firebird_firetrail/New(loc,move_dir)
+	..()
+	setDir(move_dir)
+	new /obj/effect/hotspot(get_turf(src))
+
+/obj/effect/overlay/temp/firebird_firetrail/Destroy()
+	..()
+	for(var/obj/effect/hotspot/H in loc)
+		qdel(H)
+	return ..()
+
 /obj/vehicle/firebird/Move(newloc,move_dir)
 	if(has_buckled_mobs())
+		PoolOrNew(/obj/effect/overlay/temp/firebird_firetrail,list(loc,move_dir))
 		PoolOrNew(/obj/effect/overlay/temp/firebird_trail,list(loc,move_dir))
 	. = ..()