Subdivisions that utilize design features to enhance energy conservation and open space preservation are encouraged and permitted. Any such plats may be processed in conjunction with a planned unit development application pursuant to Chapter 21.30 LMC. Design features may include but not be limited to east-west streets, zero setback, cluster development and any other designs that will enhance the above. (Ord. 2463 § 3, 2003; Ord. 1314 § 3, 1983)