Hybrid Power Swap. GM takes on Toyota - head on.

GM?s DualMode Hybrid Transmission - Beat Toyota w/ engineering. When it comes to hybrid vehicles, electronics and batteries tend to get the most attention. But it is elegant mechanical engineering that established Toyota as the market leader in hybrids. Now General Motors, DaimlerChrysler, and BMW are applying mechanical engineering to catch up. The three manufacturers have joined forces to develop transmission technology that could beat Toyota's system-at least on the highway.