Tecogen Exhibiting at MJBizCon in Las Vegas

 Tecogen Exhibiting at MJBizCon in Las Vegas

WALTHAM, MA, Nov. 15, 2022 (GLOBE NEWSWIRE) — via NewMediaWire —
Tecogen Inc.
 (OTCQX: TGEN), a clean energy company providing ultra-efficient and clean on-site power, heating, and cooling equipm…