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Fuel from the ocean

Algae is used as raw materials for biofuel. This has freed up arable land that was previously used to grow raw materials for biofuels. Moreover, power provided by certain algae types is several times higher than that of land plants from which fuel was produced in the past.

I agree
25
I don't agree
4
Marriette Deckard There are some caveats to Victor Ionita's argument that present some ecological problems. The production of Li-ion batteries is ecologically very destructive and not ultimately sustainable. Lithium is a heavy metal that requires very destructive mining processes to acquire in sufficient amounts to operate a global transport market and supply chain. Further the disposal of waste batteries is also a major problem. If we can overcome the technical limits of figuring out how to re-use the raw materials in those batteries so they are not released back into the environment than it might be more feasible. Hydrogen piles have a space problem currently but if a way can be found miniturize they become far more likely, and I really, really hope that is the case. I agree that we will be moving away from combustion as a driver of machinery but even by 2050 it won't quite have made it to the level of integration that we will begin to abandon liquid fuels meaningfully, and so some bio-fuels will be in circulation. 17 Mar 2019
Антон Дождиков Да, предполагаю, что это произойдет даже раньше 2050 года. 06 Feb 2019
Victor Ionita any kind of polluting fuel should have gone by this time,even tho it's "bio", electric cars,with different types of batteries like hydrogen piles or li-ion batteries, far more powerfull than those we have today. actually i think in the future mostly everything is going to be electric, even heating the house.the world is already trying to move towards that direction... ecology,sustainability so seeing that we try so much to get in that direction that kind of burning our future is going to be illegal at that point(2050) or if you still have a gas car you're going to pay huge taxes, so you'll have to be rich and have an old ferrari or something like that... 06 Feb 2019
Jason Keller This, so far, is the only plausible prediction I've seen. Everything else I've read on this site sounds like a horror show 06 Feb 2019