First off. I'm at 2 stacks (2000) of Erchius fuel, when I come across this. That has to be another 2 whole stacks of fuel. Why the hell is it 500 pixels for 20 fuel at the outpost? I get that the game is still in development and balance is difficult but jfc. You should either decrease the abundance of it on Moon planets or you can make it more valuable as a resource (crafting or w/e). My Ideas Make it edible. It would be funny and useful if it could be used as a cooking ingredient or edible raw. Such as using it for different drinks that give energy boosts. Also swimming in it could give an energy boost. Use it to power certain weapons or tech somehow. I'm sure someone's already working on a mod for something like this.
Its a video game. We don't know exactly what Erchius Crystals/Fuel even is. If you've ever read The Hitchhiker's Guide to the Galaxy, then you know the realm of science fiction is nearly limitless in story telling.
It's a substance related to a creature that is known for turning humans into Moontants. That... can't be healthy to consume.
It's an unstable radioactive isotope, the game tells you this in the tooltip. It's generally not advised to eat radiactive materials
I think it would be absolutely amazing and great if guns and/or energy techs were fueled with liquid erchius.
Give the player a mission-based new technique for refining Erchius Fuel into solid 'battery' chunks. Expensive to make, used for powering or conceiving Mech.
The buy price should simply be lowered, along with giving it more uses, althrough the crystals themselves need even more uses because they are only used for a quest, which in fact gives the player said crystals for their only purpose, making them effectively quest items. I guess both the Liquid Erchius and Erchius crystals could be used to give weapons special abilities, such as variations on the current abilities found on randomly-generated weapons (Including being able to stack them, just in case someone needed to have, say a shotgun which shoots a wall of bullets per shot), and making them able to be used on new weapons (Such as a new kind of explosive).
The fuel could be used to power other types of machinery further down the line and the crystals obviously for repairing your FTL drive should it ever come into combat and not make it out whole.
Regarding the fuel I think the price spaceports is too expensive and also we had to be able to find this fuel in all the moons of the game and did not find moons with holes Sorry my english is not good
Much like Petroleum, raw Erchius could be used for a variety of substances other than spaceship fuel such as space plastics, it would however require different methods and techniques of refining(There's also the moontant thing, so maybe it has some adverse health effects on human contact?). I don't think it'll ever be edible though. Unless you eat margarine or something.
I would rather see resources like fuel being rare to come by, so when you do find a moon like that it is an exciting opportunity to stock up. Right now collecting fuel is a pointless grind since every system has a moon with it in abundance. It would be cool if most system (like 80%) didn't have them and you were stuck buying it from the shop if you didn't stock up when you find it.
Consider that, according to the game, Erchius is highly radioactive, so making plastic-like materials out of it would be a very poor material choice.