Italy’s Treasured Olive Oil, at the Source
The bottles were presenting a problem. The stainless steel one was best at keeping out the light, but it conducted heat and it wasn't cheap. The painted glass bottle was promising, but only if it was made with the right paint. Dark glass was still an option, though not ideal.
Read the article on Nytimes 
Dr. Sears Comments:
Having been to the olive oil farms in Puglia, the article is correct that authentic Italian olive oil is truly unique. Unfortunately, the article is also correct in that virtually all the “extra-virgin” olive oil in America is far from the real thing both in taste and polyphenol content.