I don't think it's a 13:1 ratio, no.
On March 22nd, 2018. See this statement in context.
On March 22nd, 2018. See this statement in context.
March 22nd, 2018 / 9:15 a.m.
Research Principal, Athena Sustainable Materials Institute
I don't think it's a 13:1 ratio, no.
See context to find out what was said next.