Although all U.S. states have laws against drunk driving (usually defined as driving with at or above 0.08% blood alcohol content), most U.S. states also do not allow open containers of alcohol inside of moving vehicles. The federal Transportation Equity Act for the 21st Century of 1999 mandates that if a state does not prohibit open containers of alcohol inside of all moving vehicles, a percentage of its federal highway funds will be transferred instead to alcohol education programs each year. As of November, 2007, only one state (Mississippi) allows drivers to consume alcohol while driving (below the 0.08% limit), and only seven states (Arkansas, Connecticut, Delaware, Mississippi, Missouri, Virginia, and West Virginia) allow passengers to consume alcohol while the vehicle is in motion.

Five U.S. states limit alcohol sales in grocery stores and gas stations to beer at or below 3.2% alcohol: Colorado, Kansas, Minnesota, Oklahoma, and Utah. In these states, stronger beverages are restricted to liquor stores. In Oklahoma, liquor stores may not refrigerate any beverage containing more than 3.2% alcohol. Missouri also has provisions for 3.2% beer, but its extremely permissive alcohol laws (when compared to other states) makes 3.2% beer a rarity.

http://www2.potsdam.edu/hansondj/drinkinganddriving.html