Buyers should be aware of potential problems associated with underground oil storage tanks. (oregonrealtors.org)
Companies working to cut flows of the gas from oil storage tanks say that source of emissions is similarly grossly underestimated. (dotearth.blogs.nytimes.com)
Metal containers for olive oil storage are also an option, although it is unclear about the potential for olive oil to be affected by the metal elements in the container. (whfoods.org)