BRENTWOOD, England - Ford has announced a new tweaked version of the 1.0-litre EcoBoost engine for its Focus line-up, making it the first petrol sedan in Europe to offer 99g/km CO2 emissions.The automaker claims the Focus one-litre EcoBoost has returned 4.2 litres/100km in tests thanks to its specially calibrated 75kW version engine. It uses a low inertia turbocharger, split cooling system and direct fuel injection. NEW TECHNOLOGIESAccording to Ford, the new Focus will feature Econetic Technology including low rolling resistance tyres, unique aerodynamics under the car and revised gearing. Other technology highlights include auto-stop/start, smart regenerative charging, active grille shutter and Ford EcoMode.Fords European VP product development Barb Samardzich said: “Just a couple of years ago few would have thought that a medium-sized petrol car could do better than 100g/km of CO2."The automaker says the EcoBoost engine makes the new model more powerful than a first-generation Ford Focus with a 1.6 engine from less than 10 years ago, while producing almost half the CO2 (47%).The new model takes the Focus 1.0-litre EcoBoost line-up to a tally of three, including the standard 74kW version, with 109g/km CO2 emissions and the 92kW with 114g/km CO2.The 1.0-litre EcoBoost engine was introduced in the Fiesta, B-MAX, C-MAX and seven-seat Grand C-MAX during 2012, and will also make its way to EcoSport SUV, Transit and Tourneo people mover. It will also be added to the new Mondeo range at a later stage.