Under Stuart’s leadership, Royal Mail's fleet has achieved remarkable scale and speed in its transition to zero-emission vehicles, including over 8,000 EVs, 3,000 charge points, HGV electrification trials, and comprehensive workforce training. Stuart’s expertise has made him a highly sought-after advisor, with fleets and industry professionals regularly drawing on his knowledge to guide their own decarbonisation strategies. Royal Mail’s decarbonisation efforts were celebrated at the 2025 GREENFLEET Awards, where the company won Private Sector Commercial Fleet of the Year.