Hydrogen power has been on the market for decades but has never really been able to break the glass ceiling of mass-market appeal, mainly due to a host of technical and cost issues. But some experts now believe that the hydrogen economy is ready for take-off, with Goldman Sachs predicting hydrogen generation could eventually grow into a $1 trillion per year market. The EU has hatched a highly ambitious plan to install 40 gigawatts of electrolyzers within its borders and support the development of another 40 gigawatts of green hydrogen in nearby countries that can export to the EU by 2030. The EU has also pledged to cut Russian gas imports by two-thirds by the end of the year and has doubled down on green energy fuels by increasing renewable hydrogen production.And Citigroup analysts are now particularly bullish about one hydrogen sub-sector: fuel cells. Fuel cells…