DAVIDSON – The Business Center at South Main Square, in partnership with the Project for Innovation, Energy & Sustainability, announced the final seminar in its series on green and clean technology. The free seminar, to be held Friday, Nov. 19, from 9 to 10:30 a.m. at the Business Center, 442 S. Main St., is part of a series held at the green business incubator. The final speaker Robert Haupt, of Southern Energy Management, will discuss solar energy and making it affordable for commercial applications. For information or to register for the seminar, call 704-896-0094 or visit www.pies-northcarolina.org.