Do drunk driving laws apply only to cars and trucks? No. Drunk driving laws apply to all motorized vehicles, including boats, mopeds, motorcycles, and even ride-on mowers. Information is power. Share it!FacebookTwitterGoogle+PinterestRelated Topics What is a DUI? Are there different laws relating to driving under the influence under age 21? Is it true that I can lose my license before I am convicted? What happens if I am stopped for drunk driving? What are the penalties for driving under the influence of alcohol or drugs?