I believe that we are going to use independent on all four corners. I know that solid axles are better for off roading, but they are heavy. We want it to be light weight and fuel efficient, because the current hummers are gas guzzlers, and aren't exactly "green" vehicles. We haven't decided on a power plant, but diesel may be too heavy. Possibly a gasoline hybrid will be used. I'm on the suspension team, but any input on the whole vehicle will help tremendously. Our group did come up with a number in a meeting at GM in terms of price ($12,000), but we really have no data to support that.
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