Los Angeles, Calif.-based Parallel Systems on Sept. 12 introduced its second-generation autonomous battery-electric freight car, which it plans to pilot test on existing U.S. and international rail ...
Q: I’ve determined that running a dual 12-/24-volt system for my boat, a Kelly-Peterson 44, is the way to go. However, I am making some assumptions about the capabilities of lithium batteries that I’d ...
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