[sghi]

Are you sure? I'm nearly certain that PLOS is a publisher that charges manuscript charges for OA papers - most do.

[greeneggs]

PLOS One fees are $1500 per paper.

http://journals.plos.org/plosone/s/journal-information

[horsecaptin]

Ahh, I'm sorry. I meant Open Access - as in free to read upon publication.

I did some more digging. Turns out they have some leeway for submission fees under some conditions: https://www.plos.org/fee-assistance