I think this map would already be 10x better if it's possible to make all 3 VPs and both fuel sectors way closer to the middle so either side can contest all of them.... or leave the fuels as they are, move the VPs to mid and introduce brutal fuel cutoff sectors. This is the only way I see this map becoming playable without laborious changes such as fiddling with the entire map size & terrain.
This. The VPs are too far in the corners. Really hard to contest them late-game without taking heavy losses on retreat
Im not sure if changing that solves everything, but it's a good place to start