this post was submitted on 14 Jan 2025
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[โ€“] Revan343@lemmy.ca 13 points 2 weeks ago (1 children)

Diesel engine > generator > motor is frequently used for trains nowadays. Transmissions can be super inefficient, especially with discrete gear ratios

This is only true for locomotives really. Diesel Multiple Units (DMUs) often use hydraulic transmissions. Here's an example railcar: https://en.wikipedia.org/wiki/V/Line_VLocity