The ban on tank-washing, technical features such as double hulls and sectioning of tanks, introduction of one-way sea lanes and, most important, the use of Global Positioning Systems, have greatly reduced the amount of oil entering the sea from tankers.
禁止清洗油仓的禁令、诸如双层船壳及油仓分区等技术特征、海上单向航道的设开辟、以及意义最为重大的全球定位系统的启用，所有这些措施大大减少了海洋原油泄漏事故。