经济有效的制造烯烃、硫磺、低苯含量和低蒸气压汽油和超低硫柴油需要审慎的开发和应用新技术。

• Production of clean gasoline with low olefin, sulfur and benzene contents and low vapor pressure, and ultra low sulfur diesel economically and competitively require judicious development and application of technologies.