Tesla Semi truck unveil & test ride set for Oct 26th !

Caterpillar released a performance guide in 2006 that does a good job of explaining horsepower requirements for different motor coach operating conditions. Do the HP to KWH conversion from their data and it shows that this hoped for motor home is going to need a really large battery pack.
https://prevostcommunity.com/PDF/Motor%20Home%20Fuel%20economy.pdf