By Matt Hardy Change seems to be in the air up in Dumfries and Galloway this weekend. Last week’s General Election may not have seen a switch in party in the Scottish constituency but at the Glenmuckloch opencast coal mine will be the backdrop for a key shift in motorsport, through Extreme E, and how it’s powered this weekend. For alongside a regular season race, the Extreme E Hydro X Prix will see the testing of a new hydrogen powered car which is set to revolutionise motorsport from 2025 in a location that will soon become a Pumped Storage Hydropower plant and wind farm. When you look at the…