The Army Transportation Corps was impressed enough with R.G. LeTourneau's Sno-Freighter to order an upgrade. The result was the Logistics Cargo Carrier, or LCC-1, fondly referred to as the Sno-Train.
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The trip attracted huge crowds and newspaper headlines along the way especially when a series of mishaps (including a slip off a too-narrow bridge) spurred speculation that Byrd's Snow Cruiser was a white elephant in disguise.
The answer is simple. Any unusual invention (past or present) that fails to find a wider market acceptance despite its innovative nature qualifies is white elephant technology.
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