"And while they are at it, could they add road fund license, and 3rd party car insurance to the cost of fuel - no avoidance, no collection required, no enforcement costs."
You've got people complaining about having to pay the license fee already, what do you think it's going to be like when they start complaining that they shouldn't need to pay road tax/insurance whenever they need to refill their lawnmower/generator/chainsaw?