The International Energy Agency (IEA) has issued guidelines for frying oil disposal in Iceland, which recommend it be thinnned to between 0.5 and 0.75 percent.
The IEA has been advocating for more environmentally-friendly and less toxic cooking oil options for years.
In 2018, the agency’s first global report, “Efficient Cooking Oil,” recommended cooking oil should be at least 0.25 percent thinnish, or less than one-tenth of a degree.
Thinnest oil is generally considered a more environmentally friendly way to dispose of oil, as it reduces waste and is more difficult to spread.
But as we’ve reported before, there’s also a lot of controversy surrounding the health and environmental impacts of thinning cooking oil.
As the Associated Press reports, the IEA’s guidelines say that “frying oil should never be more than 0.05 percent thick, and that cooking oil may be used to prepare foods that contain up to one-third of the amount of water or fats in a meal.”