A battery can be reused multiple times. When the battery is finally dead, the lithium can be recycled (although it may be costly) to make new batteries.
Once you burn a lump of coal or a liter of diesel or kerosene, it’s gone forever. They’re called *fossil* fuels for a reason; they were generated over hundreds of millions of years, the same timespan as fossils were. Even if you could put the carbon dioxide, water, and smoke back into the ground, it would take hundreds of millions of years before that could turn back into usable fuel.
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