(Bloomberg) — Northvolt AB filed for bankruptcy protection in the US after failing to secure a lifeline for its battery-cell business in a faltering market for electric vehicles.Most Read from BloombergTrump Promises Could Have Seismic Impact on Washington EconomyParis to Replace Parking Spaces With TreesTokyo’s Scorching Summers Focus Public Anger Against Tree CuttingNYC Mayor Adams Names Jessica Tisch to Lead Police Head Amid ProbesNew York’s Transit Agency Approves $9 Congestion TollThe SwedRead More