To reduce automobile emission pollution, many countries lay down emission control regulation of automobile diesel engine.

为减少汽车带来的排气污染，许多国家均对车用柴油机制定了相应的排放法规。

Presently, catalytic converter is the most effective equipment to emission control, which can reduce harmful ingredient of automobile emission.

催化转化器能减少汽车排放物中的有害成分，是目前最有效的汽车排放控制装备。

It has been proved that using electric-control fuel-injection gasoline engine and three-way catalyst was the main method to control automobile emission.

实践证明，采用电子控制燃油喷射发动机加三元催化转化器技术已成为当前控制汽车排放污染的主要措施之一。

Thee policies it suggests include incentives for cleaner technologies, and tougher standards for air quality, automobile emission and fuel quality standards.

其建议的政策包括：鼓励发展清洁技术，更严格的空气质量标准，汽车尾气排放标准以及燃料质量标准。 。

Planar zirconia oxygen sensor will become the overwhelming oxygen sensor applied for automobile emission control due to increasingly stringent emission regulations.

由于日益严格的排放法规，平板式二氧化锆氧传感器将成为汽车尾气控制应用的主流传感器。