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Evaluating a Surprising Claim
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Hayden, Howard C. – Physics Teacher, 2013
A television advertisement and a website present an interesting question: can rail company CSX "really" move a ton of freight 468 miles on a gallon of fuel, or is the claim preposterous? Let us examine the claim, first by understanding what is meant, looking at their data, and then converting units to examine the claim quantitatively.
Descriptors: Science Instruction, Physics, Transportation, Fuels