The European Commission on Tuesday approved a total of €2.4 billion ($2.6 billion) of state aid for two multi-country industrial research and development projects for hydrogen fuel and health-care products. European Union state-aid rules normally prohibit member states from using public money to help particular industries, but exceptions can be granted for so-called Important Projects of Common European Interest, or IPCEIs. Seven EU countries have been authorized to spend €1.4 billion on supporting hydrogen fuel for transport: Estonia, France, Germany, Italy, the Netherlands, Slovakia and Spai…