Yayin da kayayyakin more rayuwa na karkara ke ci gaba da inganta, buƙatar hasken hanya ta ƙaru sosai. Duk da haka, fitilun tituna na gargajiya galibi suna fuskantar ƙalubale a yankunan karkara, kamar shigarwa mai sarkakiya, gyara mai wahala, da kuma rashin ingantaccen wutar lantarki. A wannan yanayin, fitilun tituna masu amfani da hasken rana sun fito a matsayin mafita mafi kyau ga hasken tituna na karkara saboda fa'idodinsu na musamman.