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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?

To: RetiredNow who wrote (345053)	7/31/2007 4:11:12 PM
From: Tenchusatsu	Read Replies (1) \| Respond to of 1575837

Mindmeld, > Not if that electric engine is coupled with a gas engine. It wasn't clear that you were actually referring to plug-in hybrids. You want to get there? Help encourage more people to study materials science. There's big bucks awaiting those who can come up with the next breakthrough in battery technology. Tenchusatsu

To: RetiredNow who wrote (345053)	7/31/2007 6:11:44 PM
From: combjelly	Read Replies (1) \| Respond to of 1575837

"Not if that electric engine is coupled with a gas engine" What they need to do is what they have been doing with locomotives for decades. Take advantage of the fact that an IC engine is most efficient when running at a constant speed under a constant load. So couple it to a generator, buffer it with a battery and run the wheels off of electricity. In other words, what GM is planning to do with the Volt. Mechanically, it is much simpler than the Prius, so should be cheaper. Using regenerative braking, it would be more efficient and should be cheaper overall. Wouldn't need a huge battery, 10 or so miles should be more than enough on battery alone. Which eliminates the battery technology problem.