AUBURN � Atlas Distributing Inc. announced that the company is using green power as part of its partnership with the U.S. Environmental Protection Agency's Green Power Partnership. Atlas is using nearly 150 thousand kilowatt-hours of green power annually, which is enough green power to meet 20 percent of the organization's electricity use. Atlas Distributing, a beer and beverage distributor serving Central Mass. since 1933, is buying renewable energy certificates, or RECs, from Constellation N