The EU has published contingency measures that keep trucks, trains and planes moving in a No Deal exit. But guess what? They require to Britain uphold a “level playing field” including subsidy controls - the same principle it is willing to sink a deal over...
This will be a surprise to no one in No 10: they are the same as measures published in preparation for no deal this time two years ago: https://mlexmarketinsight.com/insights-center/editors-picks/area-of-expertise/brexit/deal-or-no-deal,-eu-will-seek-competition-and-state-aid-clamps-on-uk