THE European Rail Supply Industry Association (Unife) has waded into the debate on how best to meet the estimated €546bn cost of building a comprehensive high-speed network for Europe by proposing to use revenue from the European Union’s (EU) Emissions Trading System (ETS). It is the most eye-catching recommendation made in a wider Unife paper on the subject published on May 7. The European Commission (EC) presented its High-Speed Masterplan as …