Lower strength versions are distributed in regions with restrictive alcohol laws. [ edit ] Bud Light Introduced in 1982 as Budweiser Light , Budweiser's flagship light beer with 4.2% ABV and 110 calories per 12 US fl oz (355 mL) serving (1,300 kJ/L). [ edit ] Bud A version of Budweiser available in Europe. See Budweiser trademark