Pexels Facing a months-long U.S. blockade, Cuba announced Wednesday that the country had run out of diesel and fuel oil. Its unsteady power grid is running on domestically produced crude oil, natural gas, and a growing supply of renewable electricity. Analysts say that recurrent blackouts have spurred a surge in solar purchases from China. “Given the already precarious circumstances of the electric grid, many Cubans have figured out ways to import solar panels,” Michael Bustamante, chair of Cuban studies at the University of Miami, told Bloomberg . The Cuban government is also working with China to build more than 50 solar parks this year. The pivot toward solar took off in 2024, when nationwide blackouts spurred a push for renewable energy.…