Lots of attention is being paid to decarbonization of our transportation networks though electrification. Light duty cars are well on their way, heavy duty (up to class 8) vehicles are starting to roll off the assembly lines, busses (school and other) are electrifying and reducing significant amounts of air and noise pollution, and even construction equipment is electrifying (looking at you Caterpillar Inc.).
But what about rail?
The reality is that the vast majority of U.S. trains run on diesel engines that power electric drives. This setup isn't great for the air we breathe, causing more than a thousand deaths a year. But here's the thing: battery tech is getting better and cheaper, especially with more renewable energy coming into the mix. This opens the door for trains that run on batteries instead.
Trains already have the electric bit sorted; they just need a hefty battery car hooked up to make the switch. We've crunched the numbers and turns out, a beefed-up battery car can keep a train moving for about 450 miles—that's way more than what most freight trains do daily.
Cost-wise, battery trains can go toe-to-toe with diesel ones if we can charge them up for less than 6 cents per kWh, which looks doable with the kind of deals you can get for bulk electricity.
Switching over to battery power isn't just about cleaning up our act by cutting down 37 million metric tons of CO2. It's also a smart money move, potentially saving the rail sector a cool $250 billion over 20 years. Plus, it gives us a bunch of portable power (we're talking 238 GWh worth) that can help keep the lights on when the grid's having a tough time.
The Toledo-Lucas County Port Authority figured out. Who's next?
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1moWhat is being done about fire suppression? I believe EV makes a lot of sense for schools since the buses run short routes and return to the same location each day. However, I have spoken to a few people who will not consider them due to concerns with how quickly these vehicles get engulfed during a thermal event.