Abstract: Method, system and device for determining quantities of power by registering on the vehicle side a quantity of power exchanged with a power point 12, transmission on the vehicle side of information concerning the first quantity of power, registering on the power point side of a total quantity of power formed from the sum of the first quantity of power and also a second quantity of power made available by the power point 12 independently of the electric vehicle 2, subtraction of the first quantity of power received by the vehicle 2 from the total quantity of power in order to determine the second quantity of power.

Abstract: A new chewing gum with teeth whitener for helping whiten and brighten teeth while helping freshen the breath. The inventive device includes an elongate gum member having a central bore extending along its longitudinal axis. Extending through the central bore to substantially fill the central bore is a whitening gel which includes a whitening agent for whitening teeth while chewing the gum. The elongate gum member is divided along its length into a plurality of separable chewing portions such that each chewing portion includes portion of the gum member and a portion of the whitening gel member.