    <specializations>
		<specialization name="noSmokeNoFun" 		className="noSmokeNoFun" 	    	filename="rollcoal/noSmokeNoFun.lua" /> 
		<specialization name="newExhaustEffects"  	className="newExhaustEffects"  		filename="rollcoal/newExhaustEffects.lua"  />		
    </specializations>
	
	
		<specialization name="noSmokeNoFun" /> 
		<specialization name="newExhaustEffects" />