That is a good answer, thanks! As expected I got a couple of downvotes, but it is worth it for answers like this. Edit: That is 100 trees for each car, isn't

That is a good answer, thanks! As expected I got a couple of downvotes, but it is worth it for answers like this. Edit: That is 100 trees for each car, isn't it? But the same 100 trees would do the job for the same car next year? Edit 2: Assuming steady state.