The reports gave no possible target date, but Beijing is stepping up pressure on automakers to accelerate development of electrics.
China is the biggest auto market by number of vehicles sold, giving any policy changes outsize importance for the global industry.
A deputy industry minister, Xin Guobin, said at an auto industry forum on Saturday his ministry has begun "research on formulating a timetable to stop production and sales of traditional energy vehicles," according to the Xinhua News Agency and the Communist Party newspaper People's Daily.
France and Britain announced in July they will stop sales of gasoline and diesel automobiles by 2040 as part of efforts to reduce pollution and carbon emissions that contribute to global warming.
China passed the United States last year as the biggest electric car market. Sales of electrics and gasoline-electric hybrids rose 50 percent over 2015 to 336,000 vehicles, or 40 percent of global demand. U.S. sales totaled 159,620.
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