General Motors (GM, Detroit) claims that its dual-mode hybrids one-up Toyota's single-mode hybrid by using multiple microcontrollers from Freescale Semiconductor Inc. (Austin, Texas) to achieve superior gas savings. First generation single-mode hybrids only yield mileage savings when used in stop-and-go city traffic, but GM's new dual-mode hybrids employ a second electric motor and complex control of transmission gearing to achieve gas savings during highway driving, too.
Text: http://www.eetimes.com/showArticle.jhtml?articleID=206801651
