Tweet by @MMalkamaki Published 30 April 2018 04:38 PM German power lobby @bdew_ev says cogeneration can resolve energy security threat. This is so true! #energyefficiency #energysecurity #renewables @AureliaTurbines https://t.co/C9awZcvZt4, — Matti Malkamäki (@MMalkamaki) April 30, 2018 13:37