Automotive exhaust is one of the major sources causing environmental pollution.In this paper, three future directions, clean fuels, replaceable fuels and catalytic purifier, were discussed briefly.

• 汽车尾气已成为环境污染的主要来源之一。本文主要从清洁燃料、替代燃料以及催化转化三个方面阐述汽车尾气污染控制的发展动态。