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Old 06-25-2012, 09:20 PM   #8 (permalink)
Cobb
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Join Date: May 2012
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What about air over hydraulic? I think the big brown truck delivery company had something like that. UPS to Roll Out Hydraulic Hybrids | Autopia | Wired.com

How about going electric inline with the drive shaft? Electric-Hybrid Truck Conversion | fuel efficiency.org
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