((a)) ** .—** Subject to section 142(f), a State shall charge, at a minimum, fair market value for the sale, use, lease, or lease renewal (other than for utility use and occupancy or for a transportation project eligible for assistance under this title) of real property acquired with Federal assistance made available from the Highway Trust Fund (other than the Mass Transit Account).
((b)) ** .—** The Secretary may grant an exception to the requirement of subsection (a) for a social, environmental, or economic purpose.
((c)) ** .—** The Federal share of net income from the revenues obtained by a State under subsection (a) shall be used by the State for projects eligible under this title.