Spanish engineers have updated the old citrus cliché, bringing it into the eco era — when life gives you oranges, make electricity. In Seville, they’re repurposing the many tons of fruit that the city’s 48,000 orange trees drop in the streets. Instead of a sticky, pulpy wintertime hazard, the methane from...
Spanish engineers have updated the old citrus cliché, bringing it into the eco era — when life gives you oranges, make electricity. In Seville,...
