They contribute more to the tax because they are bigger, more powerful, potentially less efficient.
They have to pay for weight because the increased weight has a direct correlation in actively shortening the life of the road, above and beyond "vehicle-miles covered".
They contribute more to the tax because they are bigger, more powerful, potentially less efficient.
They have to pay for weight because the increased weight has a direct correlation in actively shortening the life of the road, above and beyond "vehicle-miles covered".