But, what does that mean for the gas-powered trains?
If you're a train enthusiast, you may have the chance to take home a piece of history.
Caltrain is selling a diesel locomotive with 40 years of service and a million miles traveled.
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It won't come with a functional engine, so you'll have to use your imagination to transform it to your own use.
Maybe it'll become someone's train-themed coffee shop or a funky Airbnb attraction.
Here is a link to Caltrain's store for more information.