This paper summarized and analyzed the basic structure,working principle and existent problems of the five systems-namely ,automobile electronic guard against theft,vehicles colliding automatic warning,person protecting air cushion,tyre leaking air warning and night vision-of the new type automobile abroad at present,and advanced the e.

The paper makes an analysis on all kinds of factors affecting automobile new product development and decision,and it sets up an evaluation index system of automobile new product development.

The paper analyzes particularly the main characteristics of various new energy automobiles and development feasibility in our country,and comes to the conclusion that ethanol automobiles should be the best choice in developing new energy automobiles from the viewpoint of petroleum energy shortage and environmental pollution in the country

This article simply instruction the tradition energy of the automobile,and not only mainly instruction the characteristic of the new energy automobile,but also analyse the develop situation and tendency of the new energy automobile of the domestic and foreign.

How to make up reasonable technical and industry development strategy based on its own technical characteristics is an important issue for the development of our new energy automobile industry.

This paper introduces the mistakes occurring while using the conventional ways of fault diagnosis and removing in the new auto technology as well as the correct ways.