Hi. Thanks for the mod, it's interesting and inspiring in many ways, but while playing, I had a few questions about the balance of locomotives.

I noticed that:

• The diesel locomotive has lower acceleration (600 kW) than the regular steam locomotive (900 kW), although it would be logical to expect it to be at least no worse.

• The EMP locomotive has slightly higher acceleration (1 MW) than the regular steam locomotive, but noticeably worse than the improved steam locomotive (1.4 MW), despite being more technologically advanced.

This seems strange, especially considering that the EMP locomotive is a later and more expensive technology.

Also, to be honest, it's not clear why there are so many different types of locomotives if some of them are objectively worse than their predecessors.

Maybe you plan to review this in future updates? Or is there an internal logic to these parameters that I haven't figured out yet?

Thank you for your work and attention to feedback.

Machine translation – sorry for any awkward phrasing.

Asymmetrical balance ensures no singular choice is "always right".

Steam trains can use many fuels and have strong acceleration but have lower top speeds.

Diesel train produces less pollution than either steam train and has a higher top speed and can only use diesel.

Advanced steam train holds less fuel than the basic.

EM trains have extremely low air resistance and go 1200 km/h+ with upgrade technologies researched—they are orders of magnitude faster than the other trains, and more materially expensive to boot.

Thank you for your prompt response! Well, now I understand the logic of these parameters, and I will not insist on changes.
Although, in the context of factorio, such a balance is perceived as very unusual.
(Machine-translated)