You have no right to put other people in danger. You talk about personal freedom, but what about the freedom of people not to be put in danger if they don't choose it themselves?
Drunk driving is like firing your weapon indicriminately out into the street. If you want to play Russian Roulette in your own home, be my guest. But you have no right to force me to play.
Your coal power plant analogy might work if people had much of a choice as to where they get their power from. Most of us pretty much get the electricity from the power company and don't have a lot of say about how it's done. It may surprise you, but coal power plants don't bother me a lot. We need the electricity, and it has to come from somewhere.