1. https://www.recyclingtoday.com/article/aqua-metals-lead-battery-recycling-netherlands-europe/
2. https://www.autonews.com/suppliers/why-clarios-sticking-lead-acid-batteries
key points:
1. The world's biggest vehicle battery supplier is Clarios (one in three batteries globally today)
2. Clarios focus on lead acid battery, but also makes lithium ion batteries
3. Clarios has a strategic partnership with Aqua Metals