I know, but at quite a cost, as opposed to just “dropping them off.” And the steel adds complications in grinding. A vast number are just sitting around, discarded, in various sized piles.
You want to recycle EVERYTHING in a landfill? The technology for that already exists, as well.
Plasma gasification is an extreme thermal process using plasma which converts organic matter into synthesis gas called Plasma Converted Gas (PCG), syngas or Hydrogen and Carbon Monoxide, both combustible fuels, which can then be burned to generate electricity at the site, through a steam driven turbine that uses superheated steam, or directly as a ground-based gas turbine.