The company sold 93,800 Xiali vehicles in the first six months of this year, said Xinhua, which cited statistics from the China Association of Automobile Manufacturers.

Xiali was followed by the Excelle of Shanghai General Motors and the Elantra from Beijing Hyundai, with sales of 86,900 and 85,400 respectively.

Insiders attributed the popularity of low-emission cars to soaring oil prices and preferential government policies on vehicles with low emissions, Xinhua said.

China has raised the price of processed oil twice in the first half of this year, hiking costs by 300 yuan (37.5 dollars) per ton in March and by 500 yuan per ton in May.

Earlier this year, the government also began promoting small, low-emission cars as oil prices remained high and environmental concerns grew over the nation's fast-rising auto culture.

It ordered the lifting of restrictions on small cars, which were banned by some local governments due to fears that the cheaper vehicles would cause an explosion in vehicles on the road.

The government is also considering creating a new tax system for the auto industry that would promote low-emission cars and penalise large, petrol-guzzling vehicles.

Consumption taxes on vehicles with engines smaller than one litre may be cut from three to one percent, while taxes on engines bigger than three litres are likely to rise from eight percent to 14-20 percent, the paper said.

The number of private cars on China's roads has nearly tripled in five years, with previously released government data showing there were around 17 million last year, up from 6.25 million in 2000.

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