Green fuels have a fundamental problem – cost, which looks set to relegate them into the 2030s or even 2040s. This is all the more true in the West, whereas places like Xinjiang or Gujarat could start producing cost-effective fuel out of solar and wind power much earlier. The past week has seen some major announcements from Synhelion and Plug Power, for projects in Spain and Australia respectively – so can they make green fuels turn a profit already in the latter half of the 2020s? For Synhelion, the news is a 50,000-liter annual supply deal of ‘solar gasoline’ to Swiss automotive company AMAG Group from Synhelion’s RISE plant in Spain, starting from 2027. Synhelion’s system is a CSP heliostat…