It seems that these are the same weight. That's probably not a coincidence. This lists the GVWR for the diesels at up to 36,200 lbs. https://en.wikipedia.org/

It seems that these are the same weight. That's probably not a coincidence. This lists the GVWR for the diesels at up to 36,200 lbs. https://en.wikipedia.org/wiki/Blue_Bird_All_American https://en.wikipedia.org/wiki/Blue_Bird_All_American This lists the GVWR for electrics at the same: https://assets.ctfassets.net/ucu418cgcnau/362sQcGinJzFxVqFh0DBCr/cb2ee507e5c8f646ee133bfdabbccbfb/02_Blue_Bird_Electric_Bus_Presentation_Truck_and_Bus_NOTES_V2.pdf https://assets.ctfassets.net/ucu418cgcnau/362sQcGinJzFxVqFh0... Electrics also tend to benefit from better traction in crummy conditions because the batteries create a fixed, lower center of gravity. Do note that the drive system for these EV buses is apparently built by Cummins. For Cummins to put the effort in, they see a reason.