Is there anything that only the rich can currently afford but that everyone will have in the future?
When the very first cars were built, only the rich could afford it, but now a large part of the population (in developed countries) has one or more.
What do you think will be such an evolution in the future?
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It costs about £1.80 per litre to make your own bio diesel in the uk at the moment using supermarket vegetable oil (or even less if you bulk buy) so I don’t see eco fuels being so expensive that it’s unaffordable to anyone who can already afford a car.
Not an expert, I just said what I heard. But how many people would be able to make fuel at home and be confident enough to pour it in their tank? I imagine there would also need to be some regulations on this.
Buy again - not an expert.