
Independent lab testing has found traces of hexavalent chromium — a known carcinogen — along with arsenic and elevated levels of lithium in wastewater discharged from Tesla’s nearly $1 billion lithium refinery in Robstown, Texas.
The Nueces County D…

As electric vehicles roll off assembly lines, a bottleneck sits upstream: lithium refinement. Turning raw lithium into the compounds needed for batteries is expensive, messy, and energy-intensive, but Mangrove Lithium, a Vancouver-based startup, has a…