$50 billion VW battery plan could need revamp after Samsung cuts back

VW ID familyVolkswagen, with its plan to build 22 million new electric cars across 70 models by 2030, is ground-zero for concerns over battery supplies. As more automakers get serious about building lots of electric cars, there are indications that supplies of batteries to power all those cars aren’t ramping up as quickly, leading to shortages of batteries…