Factor 20: reducing CO2 emissions from inland transport by a major modal shift to rail

拟议的可行性核算将探讨这样一个前提，即到2050年，要使英国交通运输产生的二氧化碳排放量大幅减少，铁路系统的容量和使用量需要在当前水平上增加10倍。在同一时期，将铁路运输的二氧化碳总排放量减半，每吨或每公里乘客的二氧化碳排放量将减少20倍。这是一个重大挑战，潜在的障碍是多方面的。它们包括经济、人类行为、社会规范和社会接受以及技术、操作和政治因素。所有这些领域都需要激进的思考，包括工作和旅行模式，鼓励铁路旅行优于其他模式，提高其吸引力，优化系统容量和推广使用，克服新线路发展的社会，政治和经济限制。有必要考虑所有类型的铁路，包括地铁系统和轻轨、通勤、长途和农村客运服务，以及货运。可行性账户所要提供的，正是这种跨越这一系列学科的激进思维。

The proposed Feasibility Account will explore the premise that, to bring about a significant reduction in UK CO2 emissions from transport by 2050, rail system capacity and use will need to increase by a factor of 10 on current levels . Halving total CO2 emissions from rail transport over the same period gives a reduction in CO2 emissions per tonne- or passenger km by a factor of 20. This is a major challenge, and the potential barriers are manifold. They encompass economics, human behaviour, societal norms and social acceptance as well as technical, operational and political factors. Radical thinking in all of these areas is needed, covering work and travel patterns, incentivising rail travel above other modes, improving its attractiveness, optimising system capacity and spreading use, and overcoming societal, political and economic constraints on the development of new lines. It will be necessary to consider all types of railways, including metro systems and light rail, commuter, long-distance and rural passenger services, as well as freight. It is this radical thinking across this range of disciplines in combination that the feasibility account proposes to deliver.