HydroPhi Technologies Group, Inc. (OTCPK:HPTG) sold 16.97% stake in HydroPhi Technologies Europe S.A. (WSE:HTE) on July 22, 2016. HydroPhi Technologies Group, Inc. (OTCPK:HPTG) completed the sale of 16.97% stake in HydroPhi Technologies Europe S.A. (WSE:HTE) on July 22, 2016.