The Van region has a large Kurdish population, and the Van cat has been referred to as the Kurdish cat or Kurdish Van cat, and made a symbol of Kurdistan in Kurdish nationalist circles.
Each cubic meter (m 3) of biogas contains the equivalent of 6 kWh of calorific energy. However, when we convert biogas to electricity, in a biogas powered electric generator, we get about 2 kWh of useable electricity, the rest turns into heat which can also be used for heating applications. 2 kWh is enough energy to power a 100 W light bulb for 20 hours or a 2000W hair dryer for 1 hour.
Image caption The majority of biodiesel in the UK comes from recycled cooking oil. The UK's irrational use of biofuels will cost motorists around Â£460 million over the next 12 months, a think tank says. A report by Chatham House says the growing reliance on sustainable liquid fuels will also increase food prices. The author says that biodiesel made from vegetable oil was worse for the climate than fossil fuels.