There are some technologies that might be improved to achieve the required efficiency (eg power-to-gas[1] or cryogenic storage). [1] https://www.kit.edu/kit/en

There are some technologies that might be improved to achieve the required efficiency (eg power-to-gas[1] or cryogenic storage). [1] https://www.kit.edu/kit/english/pi_2018_009_power-to-gas-with-high-efficiency.php https://www.kit.edu/kit/english/pi_2018_009_power-to-gas-wit...