Tell me about one way the car industry has change over time.我的口语考试题，请帮帮忙，急用～

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The government is moving to slow investments in the auto industry, officials said Thursday, one of several steps being taken to cool growth in sectors whose growth is outstripping demand.

Those steps follow control measures for other industries such as ferrous alloy, aluminum, coke and cement, He Yanli, deputy director of the National Development and Reform Commission's industry department, told reporters while attending a conference in Beijing.
Both foreign and domestic auto companies have been pouring billions of dollars in new investments into new vehicle factories. In March, China's Cabinet warned of overcapacity problems and said the government would limit its approvals for new auto companies.

China's car sales in the first three months of this year rose 74 percent from the same period a year earlier to 890,000 units, the official Xinhua News Agency reported in early April, citing data from the China Associatio