text: Transport sector’s contribution to CO 2 savings by 2025 Breakdown of savings by % 39% Contribution to Saving Transport Commercial and public sector Domestic 19.6 million tonnes CO 2 4.3m tonnes Infrastructure efficiencies Road user charging Breakdown of transport sector savings 7% 26% 9% 11% 4% 19% 13% TDM Driver behaviour Operational efficiencies Low carbon vehicles Biofuels Renewable Electricity