Recently, reports that China s 2,000 tons of ground trench oil processed bio-kerosene was bought by Dutch Airlines have shocked nationals: Gutter oil has such high-end uses! It turned out that the trench oil processed by special technology can be used as a kind of bio-kerosene to replace traditional diesel and gasoline for aviation flight. Through strict national legislation and law enforcement, advanced technology investment and people's increasing environmental awareness and health Awareness, the kitchen waste oil is recycled, and after processing, it flows into industrial and mining, power plants, and even home car fuel tanks. If this is the introduction of an article, what is most likely the content of this article? ['Countries around the world are committed to researching the recycling of trench oil.', "Establish a complete method for the treatment of trench oil for the benefit of people's livelihood.", 'Trench oil has become a truly renewable and clean energy source.', 'China has a bright future in the processing and production of food waste.']