> The requirement to disable the engine is wasteful. I wonder what the disabling process is. During the wasteful “cash for clunkers”, the common method was to

> The requirement to disable the engine is wasteful. I wonder what the disabling process is. During the wasteful “cash for clunkers”, the common method was to replace the oil with a polymerizing solution and rev it until it fails, but I wonder how consistently this was actually done and how many parts can be re-used. I also wonder what this did to the market for used engines already in inventory.