Independents / Regional Grocers

The soaring costs of heating, ventilating, air conditioning and refrigerating a supermarket may be causing retailers to seek answers from the heavens. Ironically, some are finding a solution there, in the form of solar energy.With their enormous energy needs and vast roof space, a handful of supermarkets have realized that they're ideal candidates for collecting and converting the sun's ultraviolet

byJulie Gallagher