[He refuses!! Except in this case, since carts are useful for toting around enormous batteries. He'll even push it! But only so he can do that stupid thing where you push it forward and then hop up so you can ride along with it until it runs out of momentum.]

Well! I've had a little head start on some of the people here. The world I just got back from was full of technology and I had to learn a lot of it quickly so I didn't stand out, you know?

[He's also just an unfairly quick study in general, picking up things fast enough that he barely seems anachronistic at all.]

What do these cartridges look like, now?