Head of the Republic of Karelia Artur Parfenchikov visited the production site of the GUBKIN-INNOVATION in Petrozavodsk. The General Director of GUBKIN-INNOVATION Evgeny Pichugin presented to the head of the region the hydrogen inverter HI-2, which, without harm to the environment, makes it possible to utilize solid household, industrial and medical waste with a volume of 200 kg / h or more.