Malmö start-up Enjay believes its patented product is the first in the world to offer profitable energy recovery from polluted kitchen exhaust air ~enviro energy Article 1152 words 6 votes
Mälarenergi has embarked on a project to fill caverns underneath Västerås, Sweden with hot water – warmth will be sent via heat exchangers to a district heating network ~enviro energy Article 985 words 3 votes