Also, it's really difficult to define the one, right way of correcting for vehicle expenses. Some people would even work for free if it just gave them access to

Also, it's really difficult to define the one, right way of correcting for vehicle expenses. Some people would even work for free if it just gave them access to a high status car (live off savings while pretending to have "made it", as proven by the car). Others would be fine with any old beater, or a bike.