Has anyone put a tonneau cover on their ev truck? Was there any noticeable improvement in milage?

 

Just like with a gas truck, no.

I installed a DiamondBack. Love the look, miss my Extang Trifold.

 

You won't see any noticeable improvement on fuel economy in most cases and this comes from someone who sells bed cover.

Buy a cover for usefulness of the bed or even looks but not for fuel economy as you will be disappointed.

Now, if you want to talk about how a bed cover can make your truck more usable then hit me up and I can talk all day...lol

 

the bed cover definitely makes the truck more usable, amend to that!!!