Casella Waste Systems Inc. (NasdaqGS:CWST) acquired mobile renewable power station from Arista Power, Inc. (OTCPK:ASPW) on September 10, 2012.

Casella Waste Systems Inc. (NasdaqGS:CWST) completed the acquisition of mobile renewable power station from Arista Power, Inc. (OTCPK:ASPW) on September 10, 2012.