The problem with the finger pointers is that they won't try to fix anything. They want to damage political opponents but few of them will ever offer ways to improve the procedures. Few will ever take it upon themselves to prevent a reoccurrance. All they will do is use it to their own political advantage and then move on to the next opportunity for finger pointing. This is why nothing ever gets fixed, and it is why useful people hate whiners and finger pointers so much. All they do is get in the way when there is work to be done.
The tankers isn't a bad idea, but it's not something that could actually be implemented. No one is going to spout off with thousands of gallons of free fuel. Not in this situation. Refueling cars so they can idle for another 8 hours doesn't really solve the problem, anyway. all it does is enable the problem to linger a few days more. The problem is traffic flow. shmokes' suggestion, which is supposedly part of the plan for today, to open the southbound lanes to northbound traffic is about as effective as a solution as there is.
Mass transit doesn't really work either. How many busses could they possibly have? If you fit 80 people on a bus, and have 200 busses, that's 1600 people per trip. But if a round trip to a safe zone takes 6 hours, you can only move 6400 people in a day. Practically speaking, you're not going to make 4 trips, because it takes time to load and unload peopld and to control the crowd crush, etc. So you'll make two trips. Now you're down to evacuating 3200 people a day. You've got about three days. 9600 people just doesn't get the job done.