Ford has announced a new ultra-efficient version of the Focus 1.0-litre EcoBoost that will be the first petrol-powered family car in Europe to offer 99g/km CO2 emissions.

The Focus 1.0-litre EcoBoost has returned 67.5mpg in tests thanks to its specially calibrated 100PS version of Ford’s award-winning engine.

The new Ford Focus will feature Ford ECOnetic Technology including ultra-low rolling resistance tyres, unique aerodynamics under the car and revised gearing to help deliver the company’s most fuel-efficient ever petrol-powered family car.

The International Engine of the Year 2013 and 2012 makes the new model more powerful than a first generation Ford Focus with a 1.6-litre engine from less than 10 years ago, while producing 47 per cent less CO2.

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The new model will extend to three the number of Focus models offered with the 1.0-litre EcoBoost engine, alongside the standard 100PS version, with 109g/km CO2 emissions, and the 125PS with 114g/km CO2.

Introduced to the Fiesta, B-MAX, C-MAX and seven-seat Grand C-MAX last year, the 1.0-litre EcoBoost engine will be extended to the EcoSport SUV, Transit Connect and Transit Courier commercial vehicles; Tourneo Connect people mover; and later the all-new Mondeo.

Ford is also currently launching the zero emissions Focus Electric, and also offers the diesel Focus ECOnetic that delivers 88g CO2 emissions.