Does a local animal shelter have to tell you their policy on destroying animals?

I just read on the PETA website that many do not use euthanasia, the only method that is truly humane. Does anyone have experience with this, or know how you can go about getting it changed if they use the other horrific methods?
Update: thanks for the quick responses ... i don't believe everything PETA says, but thought i should find out about my shelters, since there are so many stray cats around my home, and there was one that had kittens in my shed last year
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