推荐回答（1个）
好柴油的颜色一般为淡黄色或黄色，或带绿头。
有关于柴油：
柴油是轻质石油产品，复杂烃类(碳原子数约10~22)混合物。为柴油机燃料。主要由原油蒸馏、催化裂化、热裂化、加氢裂化、石油焦化等过程生产的柴油馏分调配而成;也可由页岩油加工和煤液化制取。
由于柴油机较汽油机热效率高，功率大，燃料单耗低，比较经济，故应用日趋广泛。它主要作为拖拉机、大型汽车、内燃机车及土建、挖掘机、装载机、渔船、柴油发电机组和农用机械的动力。柴油是复杂的烃类混合物，碳原子数约为10-22。
0号柴油主要由原油蒸馏，催化裂化，加氢裂化，减粘裂化，焦化等过程生产的柴油馏分调配而成(还需经精制和加入添加剂)。柴油分为轻柴油(沸点范围约180℃ ~370℃)和重柴油(沸点范围约350℃ ~410℃)两大类。柴油使用性能中最重要的是着火性和流动性，其技术指标分别为十六烷值和凝点，我国柴油现行规格中要求含硫量控制在0.5%-1.5%。
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