I just read a sketch written by 又吉 直樹さん, and here is a sentence:
動かんからエネルギーは消耗せえへんし腹減らんねん。
The part of 消耗せえへんし makes me feel a little confused. I probably know it means “doesn’t consume much so”, but I wanna know the specific grammatical instructions. Is this a Kansai-ben expression?