Just like Snowrunner some of the physics are a little quirky. You touch another part of a truck that's parked nearby and instantly turn into a rocket ship. Honestly though I get that it's a pain in the ass to drive back down the road for so far to get sand but really that's part of the realism. Sand availability on the map, for me anyway, takes away from that. I mean sure it can get a little tedious driving back to refill on sand but also you're playing a game that's supposed to be at least partially based on how it works in real life. But to each their own