I don't agree Howard as they are addressing heavy transport and on site vehicles and this will filter down and possibly across to maritime usage.
It's a move in the right direction as opposed to the present folly of battery only.
JCB are doing a great job with development on their engines.
p.s. This on the day we shut down our last coal fired power station and Port Talbot Steel works. So a blast out in the Plus 8 is due.
p.p.s. I shall read
your link when I get back.