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During the Muslim Agricultural Revolution, Muslim engineers developed numerous innovative industrial uses of hydro power, early industrial uses of tidal power, wind power, and fossil fuels such as petroleum, and the earliest large factory complexes. The industrial uses of watermills in the Islamic world date back to the 7th century, while horizontal-wheeled and vertical-wheeled water mills were both in widespread use since at least the 9th century.
Used diesel engine is highly dependent on local conditions and the specific application. Applications which require the diesel's reliability and high torque output (such as tractors, trucks, heavy equipment, most buses etc.) are found practically world-wide (obviously these applications also benefit from the diesel's improved fuel economy). Local conditions such as fuel prices play a big part in the acceptance of the used diesel engine. The Used Diesel engine is not as popular in passenger cars as in Europe. Such cars have been traditionally perceived as heavier, noisier, having performance characteristics which make them slower to accelerate, sootier, smellier, and of being more expensive than equivalent gasoline vehicles. Diesel fuel is a form of light fuel oil, very similar to kerosene, but diesel engines, especially older or simple designs that lack precision electronic injection systems, can run on a wide variety of other fuels. One of the most common alternatives is vegetable oil from a very wide variety of plants. Some engines can be run on vegetable oil without modification, and most others require fairly basic alterations. Biodiesel is a pure diesel-like fuel refined from vegetable oil and can be used in nearly all used diesel engine.
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