road taxes should be done for mileage as that more accurately measures their use and impact of roads. you would of course still keep the other fees associated with vehicles like tag fees and such.<p>with regards to the article, charging should not be free in public spaces. that alone would cut down on some of the abuse. Electric cars need a very clear and obvious indicator for charge state as well - that is communicated back to the charger and visual to any who walk up. Likely a standard is going to be needed