@GhostOnTheHalfShell Oh, I know cars suck (and so do trucks). However, I'm thinking that Sodium-Ion batteries could be used for E-bikes and other applications. And yeah, I believe a lot of the Sodium-Ion battery tech calls for using seawater / brinewater, and some utilize recycled metals like nickel.
@DoomsdaysCW sodium does have the ease of mining and ubiquity in coastal regions going for it
it's a lot more available than when we paid soldiers in salt, their "salary"