Nissan's improved hybrid car system reduces CO2 emissions

Nissan’s improved hybrid car system reduces CO2 emissions


Nissan announced that the thermal efficiency of its next-generation e-Power hybrid technology has reached 50%.

The thermal efficiency of most modern gasoline engines is about 40%, that is, only 40% of the energy they produce when burning fuel is converted into motion. The rest becomes waste, such as heat and emissions, which means that its technology can potentially reduce emissions.

The automaker was able to achieve higher thermal efficiency because its e-Power system does not work like a traditional gasoline engine-it does not provide power for the car itself, but provides a dedicated e-powertrain for the technology generator.

This means that the engine can always operate in its most effective range, allowing it to efficiently burn a more diluted air-fuel mixture with a high compression ratio. In conventional engines, the air-fuel ratio dilution depends on various operating conditions.

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