Perhaps you meant to post this in the F&F Alcoholic Forum. Nonetheless, there is no difference as it relates to codependency, so welcome.
Allowing him to live without contributing to the costs to maintain the household is enabling.
Giving him money to drink is enabling.
Chauffeuring him to the bars is enabling.
When a car is taken without the owner's permission, it's theft. Call the Police.You need to do this to protect yourself from liability in case he has an accident.
No one can manipulate us, unless we allow it. What he tells drunks at the bar does not make it true. What drunks at the bar believe is none of your business.
What about this situation is acceptable, especially given you have 2 children under your roof? They are learning how to treat others and allow others to treat them, at home.
"I will not allow active alcoholics in my home" is a sound boundary that will protect you and your children from the chaos of alcoholism. He is free to drink and shack up elsewhere.