Cornucopia and Thornes Use Energy-Efficient ‘Concierges’

NORTHAMPTON — Like many small-business owners, Bud Stockwell of Cornucopia Foods loves the idea of “greening up” his retail store in Thornes Marketplace — and saving money in the process. What he doesn’t love — or have the time for — is figuring out what energy-efficient investments make the most sense for his business.