I have a dishwasher and washing machine from Siemens (nowadays the same as Bosch, just different branding). European models around 400€ each. Eco mode washes perfectly fine on both of them, that's what I always use. Takes over three hours but that's not an issue for me.

The Department of Energy actually banned the SpeedQueen TC5 washer model a few years back because it didn't have a sufficient eco mode (read this as: it automated more of the washing work for you than the government would allow)

The workaround is that modern SpeedQueen washers have a "normal/eco" default mode which doesn't do a good job at all. This mode exists to satisfy the DoE policy. The washer is intended to never be run on this mode, and all the other modes do a fantastic washing job.

I have the newer TC5 with the bogus "normal/eco" cycle. It's a great washer as long as the government mandated useless mode isn't selected.

Here's a nyt/wirecutter article about it: https://www.nytimes.com/wirecutter/reviews/speed-queen-revie...