The "Drunk Driving" and "Motorist Liability Laws" (torts, license revocation, etc.) laws for each state are summarized in The Lawyer's Almanac. The "Drunk Driving" and "Lemon Laws" of each state are summarized with citations in the National Survey of State Laws. Lemon laws are posted on Lemon Law America (www.lemonlawamerica.com), though I don't know how often the site is updated.