Ketchup as a vegetable a bill that barred the USDA from changing its nutritional guidelines for school lunches. The proposed changes would have limited the amount of potatoes allowed in lunches, required more green vegetables, and declared a half-cup of tomato paste to count as a serving of vegetables, rather than the current standard of 2 tablespoons. The blocking of these proposed higher standards meant that the smaller amount of tomato paste in pizza could continue to be counted as a vegetable in school lunches. The move resulted in widespread mockery, with headlines saying Congress had declared pizza to be a vegetable. The blocking
Vegetable oil refining oil, known as a triterpene, which is transformed into alkanes by a different process. Based on its feedstock green diesel could be classified as biodiesel; however, based on the processing technology and chemical formula green diesel and biodiesel are different products. The chemical reaction commonly used to produce biodiesel is known as transesterification. Vegetable oil and alcohol are reacted, producing esters, or biodiesel, and the coproduct, glycerol. When refining vegetable oil, no glycerol is produced, only fuels. Various stages of converting renewable hydrocarbon fuels produced by hydrotreating is done throughout energy industry. Some commercial examples of vegetable oil refining are