In 2010 the New Zealand Government proposed a drop the maximum legal blood alcohol limit for driving from 80 mg/l to 50 mg/l. New Zealand's maximum limit is considered to be high, with many other countries having already adopted a 50 mg/l limit, or lower. Using this infographic, the Science Media Centre held a briefing on the subject, looking into the basics of blood alcohol, what the current limit allows, and what effect any changes would have on drinking behaviour.