From the article:
The [Nissan] Eco Pedal is designed to provide a "counter push-back control mechanism" if it senses "excess pressure" on the accelerator. In other words, it does not like lead foots. The premise of this new technology, which Nissan says is a "world first," is to help the driver get an immediate sense that he or she "could be using more fuel than required."
Its good to see these kind of improvements make it through to production cars. Personally, I would be more aware of my fuel efficiency while driving if I had instant feedback. I suppose this is the constant guilt factor.
From the article: The [Nissan] Eco Pedal is designed to provide a "counter push-back control mechanism" if it senses "excess pressure" on the accelerator. In other words, it does not like lead foots. The premise of this new technology, which Nissan says is a "world first," is to help the driver get an immediate sense that he or she "could be using more fuel than required."