Abandoning DST, or rather redefining UTC to adopt DST permanently would increase the amount of leisure time spent in daylight, for all but late shift workers, by an average 33%. Thus reducing dependence upon electricity during that period. We'll leave you to do the math.
If governments are really serious about reducing carbon footprint, which we doubt as none include ministers bright enough to understand the science, then they'll do it.
Mistral's commitment:
Bringing benefits of computerisation to our RAC industry - without the commonly associated problems.