MAN Energy Solutions, part of German truck maker MAN SE (<span class="EFkvDd">ETR:</span><span class="WuDkNe">MAN), last week said it has teamed up with </span>Andritz Hydro, part of Austrian technology group Andritz AG (<span class="EFkvDd">VIE:</span><span class="WuDkNe">ANDR), to use hydropower to produce green hydrogen. </span>