And customers will also pay part of the cost as fuel prices rise, they said.
Each ton of National V standard gasoline is nearly 500 yuan more expensive than National III products, according to estimates. The gap between National IV and National III products is about 400 yuan a ton.
In addition to cleaner fuel, improved car powertrains are also important, analysts said.
The push for quality fuel will affect the entire consumer chain, as higher gasoline prices will boost demand for energy-saving vehicles, said Cao He, an auto analyst with China Minzu Securities.
The move would force out small producers that are technically and financially unprepared for the upgrade, Cao said.
Du Fangci, advisor to the China Association of Automobile Manufacturers, noted that the most urgent problem now is to improve fuel efficiency of vehicles already on the road.
At 75, he travelled in Europe; at 98, he got a master's degree; at 102, he published an autobiography.