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.
World energy resources. The world's energy resources can be divided into fossil fuel, nuclear fuel and renewable resources. The estimates for the amount of energy in these resources is given in zettajoules (ZJ), which is 1021 joules. The 2C target in global warming means only a quarter of existing, exploitable fossil fuel reserves are burnable. Remaining Oil Breakdown of the remaining 57 ZJ oil on the planet.