KeysQuestions4Explore4The e-fuel escape clause keeping combustion engines alive past 2035 rests entirely on a hydrogen supply that doesn't exist yet — and 2030 is when regulators start fining people billions for the gap.Europe has already admitted it needs €100 billion to make this work by 2035 and put up €2.9 billion, which means the math has a €97 billion hole in it before a single Porsche...