Mazda hails more efficient petrol engine

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Japanese carmaker Mazda has developed a more efficient petrol engine at a time when the industry steers toward electric vehicles.

It said the compression ignition engine was up to 30% more fuel-efficient than its current engines.

It plans to sell cars with the new engine from 2019.

Last week, Mazda said it would work with Toyota to develop electric vehicle technology and build a $1.6bn plant in the US.

Mazda research and development head Kiyoshi Fujiwara said it was imperative for the company to pursue the “ideal internal combustion engine”.

“Electrification is necessary but… the internal combustion engine should come first,” he said.

Mazda said the Skyactiv-X, as it is known, would be the world’s first commercial petrol engine to use compression ignition.

The technology breakthrough puts the firm ahead of rivals including Daimler and General Motors that have worked on compression ignition for decades.

According to Mazda, the fuel-air mixture ignites spontaneously when compressed by the piston in the new engine.

The carmaker said the Skyactiv-X combined the advantages of petrol and diesel engines to improve efficiency.

It has no plans to supply the engine to other carmakers.

Electric ambitions

The move comes as the car industry pours massive investment into electric technology in response to stricter emissions standards around the world.

The UK will ban the sale of new petrol and diesel cars by 2040 in a bid to reduce air pollution.

In July, Volvo said all new models will have an electric motor from 2019. The Chinese-owned firm aims to sell one million electric cars by 2025.

Mazda also plans to introduce electric technology in its cars from 2019.

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