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 oils as alternative energy Vegetable oils as alternative energy Vegetable oils are increasingly used as a substitute for fossil fuels. Vegetable oils are the basis of biodiesel, which can be used like conventional diesel. Some vegetable oil blends are used in unmodified vehicles, but straight vegetable oil needs specially prepared vehicles which have a method of heating the oil to reduce its viscosity and surface tension. Another alternative is vegetable oil refining. The availability of biodiesel around the world is increasing, although still tiny compared to conventional fossil fuel sources. There is significant research in algaculture methods to make biofuel from algae. Concerns have