jupyter_rain , vor 2 Monaten Englisch It's not easy but we are trying! https://cordis.europa.eu/article/id/205499-highefficiency-engine-turns-waste-hot-water-into-electricity
It's not easy but we are trying!
https://cordis.europa.eu/article/id/205499-highefficiency-engine-turns-waste-hot-water-into-electricity