Alcohol and driving don’t mix. Not only will drinking and driving ruin your life if you are caught, but you could also lose your life or the life of others. Remember to make good decisions by practicing your refusal skills to avoid a dangerous situation. Never get in the car with someone who has been drinking. Blood alcohol content is the percentage of concentration of alcohol in a person’s bloodstream. For drivers, a BAC of .08% can result in a DUI or DWI conviction nationwide. For those under 21 years old, there is a zero tolerance limit―even the smallest amount of alcohol is grounds for a DUI or DWI arrest.