Brassica rapa Brassica rapa Brassica rapa is a plant consisting of various widely cultivated subspecies including the turnip (a root vegetable); napa cabbage, bomdong, bok choy, and cime di rapa (leaf vegetables); and "Brassica rapa subsp. oleifera", an oilseed which has many common names, including "turnip rape", "field mustard", "bird rape", and "keblock". The oil made from the seed is sometimes also called "canola" or "colza", which is one reason why it is sometimes confused with rapeseed oil, but this comes from a different "Brassica" species ("Brassica napus"). The oilseeds known as canola are sometimes particular varieties of "Brassica rapa" (termed Polish
Vegetable oils as alternative energy amount of energy as vegetable oil is low compared to many of the potential replacements for fossil fuels. The list of vegetable oils article discusses which types of vegetable oil are used for fuel and where different types are grown. Vegetable oil is used for transportation in four different ways: The transition can start with biodiesel, vegetable oil refining, and vegetable oil blends, since these technologies do not require the capital outlay of converting an engine to run on vegetable oils. Because it costs to convert vegetable oil into biodiesel it is expected that vegetable oil will always be cheaper