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New hybrid models: Ford Fiesta and Focus with 48-V technology

Ford Fiesta and Focus with 48-volt network
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F ord electrifies the model range and initially wants to present Fiesta and Focus as EcoBoost hybrids. For this purpose, the small car and the compact are equipped with 48-volt mild hybrid technology. The belt-driven starter generator, Ford calls it 'Belt-driven Integrated Starter /Generator (BISG), takes on several tasks at once: The BISG replaces the alternator, helps with additional power when accelerating and converts kinetic energy into electricity as soon as the driver takes off the accelerator everything together should save fuel.

Hans-Dieter Seufert
The 1.0-liter three-cylinder receives in addition to the 48-volt - Netz also an enlarged turbocharger. The Fiesta mHEV should consume 4.9 liters in the WLTP cycle.

The Ford Fiesta Eco Boost Hybrid is available with 125 or 155 PS. Compared to the 125-PS Fiesta without 48-volt technology, which is still available, the mild hybrid should consume five percent less fuel. The energy recovered and stored in a 10 Ah battery helps accelerate, which relieves the internal combustion engine. At the same time, the 11.5 kW electric motor provides additional thrust: the torque increases by 20 to 240 Newton meters. However, Ford has not yet given exact consumption data and acceleration values.

Fiesta with 48V or double clutch

These would be particularly interesting for the more powerful mild hybrid version with 155 PS: Here, Ford speaks of a 50 percent torque increase at low speeds. The turbocharger can be tuned differently because in the lower area, where the turbine still responds slowly, the electric motor helps out with torque. The 92 kW version in the Titanium equipment line costs 21,250 euros. Both 48-volt Fiesta are equipped with a six-speed manual transmission as standard. TheFiesta with 125 hp without 48-volt technology can now also be ordered with a 7-speed dual clutch transmission. With the Cool & Connect equipment it costs 22,000 euros

Entirely new series are also planned

This is why the 1.0-liter three-cylinder has a larger turbocharger. According to Fiesta and Focus, each model series should be supplemented by at least one electrified version. This includes mild, full and plug-in hybrid drives, as well as all-electric cars. Completely new series are also being planned. 18 electrified models are expected to hit the market by the end of 2021. One of these is be the new Mustang , which will be launched in 2022.


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