Brisbane

Of course they can, they're called batteries. Just have a few and out the flat one right in the charger, you can keep going all day.

You know when climaye scientists say we have to move away from all fossil fuels, they didn't exclude mowers etc

That aside, I lived in an apartment complex and they could have beeb mowed 1/2 the time and it would have been fine. Why did it have to be kept like a golf Green? Why did we even hve fucking grass ?. A little bit of creative thinking and it would be nearly maintence free.