KT&G has unveiled its heat-not-burn (HNB) e-cigarette, lil, which it hopes will establish its leadership in the rapidly growing alternative cigarette market. The local cigarette maker is expected to be engaged in heated competition with Philip Morris International (PMI) and British American Tobacco (BAT), which have already introduced their own HNB e-cigarettes; IQOS and glow, respectively, earlier this year.