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BMW shows future drive technoliges; 2 Series PHEV prototype, direct water injection in 3-cyl. engine, and fuel cell eDrive

Green Car Congress

The company also showcased the use of direct water injection to enhance the efficiency of combustion engines at higher performance levels while also significantly reducing fuel consumption and emissions in key driving cycles. The power electronics, including the charging generator, can be found next to the electric motor above the rear axle.

Water 150
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Three fire trucks with Volvo Penta electric drivelines heading to Berlin, Amsterdam and Dubai to begin customer testing

Green Car Congress

The extinguishing water pump can be operated either electrically by means of a generator or by the range extender (diesel engine). With this tandem, the RT becomes a fully integrated power plant that is able to automatically recharge its batteries when more energy is consumed than they store.

Volvo 207