GaN Systems, H2 Street Sweeper, Romeo Power.

BMW i Ventures moves into next-gen power electronics as it makes a strategic investment into GaN Systems. Their transistors use Gallium Nitride (GaN), a semiconductor material that allows for higher energy efficiency, smaller form factors and higher performance.
greencarcongress.com, bmwblog.com

H2 street sweeper: The streets of Dutch Hoogezand will henceforth be cleaned silently by a new hydrogen cleaning machine. It is a first and Finnish Visedo signs responsible for the electric drive of the street sweeper, that had been converted from diesel to fuel cell by Holthausen. Groningen municipality is involved in the project too and already Rotterdam and Amsterdam have signalled interest, as has the Vatican. A single hydrogen fill got the machine on its sweep for 1.5 days so to speak and its operating noise was reduced by half and is expected to fall to about 40 dBA with upgrades.
visedo.com, youtube.com

From space to earth: The Indian Space Research Organisation has approved Li-ion batteries developed by the Vikram Sarabhai Space Centre (we reported) for commercial use by major car manufacturers. The approval may soon see them appear in buses, EVs and rickshaws.
motoroids.com, financialexpress.com

Universal fork lift battery: Romeo Power presents its Thunder Pack-C and says this Li-ion battery pack fits any fork lift model. 4,000 charging cycles are guaranteed.
businesswire.com