Eurostar has promised to power its trains with 100 per cent renewable energy by 2030. The plan was laid out in the company’s first sustainability report, released on Tuesday. It details plans to reduce energy use, source renewable power, minimise waste and promote train travel as a greener alternative to flying. How will Eurostar run on 100% renewables?Eurostar CEO Gwendoline Cazenave says the goal to switch to renewables by the end of the decade is “a deliberately ambitious target” aimed at “[accelerating] change across the sector”. It is seeking regulatory support for the rapid deployment of…