system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Instead of using salt to melt ice and snow off of road surfaces, couldn't you just hook up power to the rebar in the road and heat the concrete to a few degrees above freezing?

It seems like a pretty good alternative to using salt, the pieces of the puzzle are already there but are there any drawbacks?
gpt
Other than extremely high energy consumption and cost of having all that set up. Probably animals would like to sleep on the warm road because it would be warmer than anything else. Animals love free heat.