• In addition to recycling obsolete personal computers, Technology Recycling LLC, Denver, has announced it now recycles mainframe computers, fax machines, copier machines and mailing systems.

  • Cummins Inc., Columbus, Ind., has ceased discussions with International Truck and Engine Corp., Chicago, on a potential heavy duty engine development and manufacturing joint venture.

  • ElectroniCycle Inc., Spencer, Mass., has announced a combined merger and expansion plan involving principals of American Retroworks Inc., Middlebury, Vt.

  • Sebright Products Inc., Hopkins, Mich., has installed a completely integrated robotic waste handling system at Royal Plastics in Grand Rapids, Mich.

  • Ringfeder Corp., Westwood, N.J., has joined the Power Transmission Distributor's Association, Chicago.