Napa cabbage choy (from the Cantonese name, ), and celery cabbage. In the United Kingdom this vegetable is known as Chinese leaf, in New Zealand as wong bok or won bok, and in the Philippines as wombok or pechay baguio. The name wombok is also used in Australia. Another name used in English is petsai or pe-tsai. In Russia it's called pekinskaya kapusta (), literally "Peking cabbage". The first notation of Napa cabbage cultivation date from the 15th Century in the Yangtze River region in China. Then it spread to Korea and Japan. Beginning in the 19th Century with the Chinese diaspora,
Vegetable oils as alternative energy around the World is increasing. It is estimated that by 2010 the market for biodiesel will be 7.5 billion litres (2 billion USgallons) in the U.S and 9.5 billion litres (2.5 billion USgallons) in Europe. Biodiesel currently has 3% of the diesel market in Germany and is the number 1 alternative fuel. The German government has a Biofuels Roadmap in which they expect to reach 10% biofuels by 2010 with the diesel 10% coming from fuel made from vegetable oil. From 2005 to 2007 a number of types of vegetable oil have doubled in price. The rise in vegetable oil