The C-Max Energi has an EV mode button on the center stack that lets the driver choose between three modes: electric-only driving, normal hybrid mode (which blends electric and gasoline engine power as appropriate) or EV-later mode, which reserves the battery pack power for later use.

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The parallel full hybrid system developed by Porsche also offers "coasting" at higher speeds, a mode wherein the internal combustion engine is turned off and the electric motors use vehicle momentum to generate electricity that is stored in the lithium-ion battery.

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Boosting: When very sporty performance is required, the electric motors form an alliance with the TDI engine known as "boosting": in this mode, all four wheels are driven.

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Other differences between the FZ30 and FZ50 include the addition of SDHC card support, a TTL Flash hot-shoe, 16:9 shooting mode, and the so-called Venus Engine III image processor, but the elimination of TIFF file support and several thousand pixels from the 2.0-inch LCD.

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Maximum fuel economy is achieved in ECO mode, with the stop-start on and engine response and output dialed way back.

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In E-mode, only the 114-hp rear electric motor propels the vehicle and the TDI engine is shut off and decoupled from the drivetrain.

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