As against switching as I am, they victimized you by putting you in this situation. I'd change all passwords on all related accounts, and hand
everything you know to the police, maybe try to get a paycheck from them, and then be out of it alltogether and hit up a temp agency to work next week
while you find a real job.
In dealing with all this new environmental regulation can be a real head banger. If you are are on $250K a year, whatever, pay the mechanic. If you
are on the lower end of things and struggling to get to work while feeding the kids:
All the technicalities do go down to a state level as to what one can and cannot do to keep an engine running. I would be more focused on the state
regulations than the federal regulations. The state reps will kick your ass quicker than the feds on this issue.