pl
BIZ STREAM
18.8. 08:10
NHK WORLD-JAPAN
13 minut
[SPECIAL EDITION]<br>Advances in renewable energy are reducing fuel consumption in shipping and other industries. Our report features a massive lightweight hard sail for ships and an ultracompact micro hydropower generator.
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angielski
[SPECIAL EDITION]<br>Advances in renewable energy are reducing fuel consumption in shipping and other industries. Our report features a massive lightweight hard sail for ships and an ultracompact micro hydropower generator.