3 ms·

Rechargeable batteries good enough to power a vehicle would be nice.

• InclinedPlane 17y ago
  I think by definition we already have such. Perhaps you should increase the specificity of your desire.
  • khafra 17y ago
    How about a re-usable electricity storage method with a power density equal to or better than petroleum?
    • natch 17y ago
      Now we're talking.