After decades of lithium-ion batteries dominating the market, a new option has emerged: batteries made with sodium ions.

Electric car sales are steadily increasing, but high prices often have consumers shying away in favor of more affordable hybrid cars. With lithium-ion battery prices currently falling dramatically ...

Lithium-ion batteries and salt water don't mix, making electric vehicles of all kinds a potential tinder box during floods and hurricanes. It's not a far-fetched warning -- at least two elderly ...