I saw a article about turning hemp in to graphene to make batteries .
Less pollution when fabricating batteries was the main goal .
The structure hemp turns in to is almost ready for use they claim .

There was never need to drain the planet from lubricant , let's hope it did or dos no damage to the whole system ;-) . No lube means friction means heat building up ,... there you have the problem , i just solved global warming . Put the damn oil back and give me a Nobel prize ;-)