The battery has two legs of equal voltage and equal electrochemical capacity. The multi-tone signal is designed to have carriers that occupy a small fraction of OFDM bins, and its EVM is estimated from the ratio of sums of full bin energies and empty bin energies. The telematics task manager application comprises a plurality of tasks. A method for coextruding the foams is also described. The guard mechanism includes a pulley with which the throttle cable is engaged and a lever pulley which rotates in conjunction with the opening of the pulley.