The meaning and characteristic of remanufacturing engineering were put forward, the reused resource and high additional values of obsolete engines were analyzed.

Calculation method for used motor vehicle s residue ratio;

Improvement for used motor vehicle value assessment with production costs method;

Nonsymmetrical Information Structure and Evaluation to Used Motor Vehicle;

This paper reviews the domestic and foreign recycling of worn out vehicle waste generated by the secondary pollution,comprehensive summary of the development experience of foreign countries,combined with China\'s actual conditions,worn out vehicles on China\'s waste recycling industry has put forward reasonable proposals secondary pollution control.