There has been an increasing need for lubricity additives, because diesel fuel lubricity levels have been declining, due to the need to desulfurize diesel fuel to meet tighter air quality standards.

• 润滑添加剂的需求始终有增无减，因为柴油需要经过脱硫处理才能符合更加严格的空气质量标准，而脱硫处理正是柴油润滑性能下降的原因。”