Njengamacandelo amatsha okudluliselwa kwamandla ngamasimi e-electromagnetic, iikhoyili zeplagi zisebenza ngokwemigaqo yokuvala. Ukuphumelela kwabo ekudluliseleni amandla yenye yeempawu zabo eziphawulekayo, kwaye bangamalungu abalulekileyo ubukho bawo obufunekayo kwiinkqubo xa ukulahlekelwa kwamandla kungaziswa ngendlela engafanelekanga, ukunciphisa ukusebenza kunye nokusebenza kakuhle. Oku kungenxa yokuba ngokuphindaphindiweyo kwizinto ezifana neenkqubo zokukhanyisa iimoto, iikhoyili zeeplagi zibalulekile ekuthatheni amandla ombane aphantsi ebhetri kwaye ajike abe ngamawaka eevolthi zebhetri ezinokuvelisa i-spark yombane kwiiplagi, kwaye emva koko ilayite i-petroli. Ukongeza kuzo zonke ezi zinto, kwezinye iinkqubo ze-HVAC eziphambili (Ukufudumeza, ukuPhuhlisa umoya kunye ne-Air Conditioning), eyona ndlela isebenzayo kunye neyona ndlela isebenzayo yokudlulisa amandla okushisa (ephakathi kweenkqubo zokupholisa kunye nokufudumala) zisekwe.