Seeing the electrified trucks makes me want something like flaming trucks as well, but rather than purely set hazards, it could be a semi-randomized spreading hazard that gets worse as time goes on and it spreads from truck to truck.

Maybe flaming trucks won't immediately kill you, but as long as you stand on them your character will perform small hops constantly despite player input, potentially leading to a situation where the player will not be able to jump away from danger due to them being in midair.

Additionally, after being on fire for a period of time, the truck could flip/explode.

Could potentially be fun to have a huge swarm of flaming trucks passing fire to each other and making the player time their jumps within a small window.