the benefits of this are reduced infrastructure costs the potential for less car use for commuting if people live near where they work and preserving land for agriculture and nature to maintain support for the plan s objectives the two core communes may have to compensate these losing communes which of course reduces the benefits of the strategy moreover the spatial strategy seems to assume that new employers will be w illing to settle for a higher cost and more complex to develop browmfield sites in nantes or saintnazaire over greenfield sites in a rural commune