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Proposed high speed freight service in France
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Not quite. <br /> <br />For now the fastest diesel was circa 170 mph (again - russian loco :p). Problem is the fact that 125 mph diesel freight would be really expensive fuel-wise. Wires help here thanks to the regeneration. Also - each 5500 hp (such as sd90mac*) diesel is ~150-190 tons you need to haul around - this takes payload space. And since for 80+ mph service you need tons of power - diesels would quickly become too expensive to run. <br /> <br />With current technology 12000 hp 6-axle loco, with 15000-17000hp short term rating is quite possible. <br /> <br />So - possible with diesels? Yes (Burlington Zephyrs did run 100+ mph didn't they... in 1935). Economical - not bloody likely. <br /> <br />*note - this is _at rail_ rating.
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