Roland Dittmeyer, a chemical engineer at the Karlsruhe Institute of Technology in Germany.

德国卡尔斯鲁厄理工学院的化学工程师罗兰·迪特梅尔说到。

Wholesale electricity prices will be 70% higher by 2025, predicts the Karlsruhe Institute of Technology.

据卡尔斯鲁厄理工学院预测，截至2025年，发电成本将整体上涨70%。

Or put another way, " It's a lot of air you pump around." Roland Dittmeyer, a chemical engineer at the Karlsruhe Institute of Technology in Germany.

或者换句话说， “这是你向周围泵送的大量空气。 ” Roland Dittmeyer，德国卡尔斯鲁厄理工学院的化学工程师。