Joe Biden loves smart new Amtrak Locomotive

The 70 new Cities Sprinters will replace locomotives that have been in service for 25 to 35 years and have averaged more than 3.5 million miles, he said.
The Siemens-built locomotives feature “regenerative braking,” which puts electricity back into the catenary (overhead wires), and computerized self-diagnosis and self-correction of technical problems.
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