Brassica rapa species. Since the turnip had been named first by Linnaeus, the name "Brassica rapa" was adopted. Many butterflies, including the small white, pollinate the "B. rapa" flowers. 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
Vegetable oils as alternative energy gas, governments may tax it much less than gasoline as they have done with ethanol. This would help them reach Kyoto protocol targets. The World production of vegetable oil seed is forecast to be 418 million tonnes in 2008/09. After pressing this will make 131 million tonnes of vegetable oil. Much of this is from Oil Palm, and palm oil production is growing at 5% per year. At about 7.5 lb/USgal (900 g/L) this is about 38 billion USgallons (144 billion L). Currently vegetable oil is mostly used in food and some industrial uses with a small percentage used as