EnvironmentOld EV batteries could meet most of China's energy storage needs Electric vehicle batteries are typically retired once they reach about 80 per cent of their original capacity, but they could be repurposed in electricity grids to balance out slumps in renewable generation 51¶¯Âþ
EnvironmentHow green hydrogen could power industries from steel-making to farming Many industries are eyeing up hydrogen as a source of clean energy, but with supplies of green hydrogen limited, we should prioritise the areas where it could have the most positive impact on carbon emissions, say researchers 51¶¯Âþ