Following the devastating fires on Maui, both Upcountry and in Lahaina, there has been much coverage in the local press about the clean up process. For me, one thing that it has brought to light is the number of toxic materials that surround us on a daily basis. This article on the disposing process for lithium-ion batteries found in Lahaina is just one example. According to the article there are between 4,000 and 7,000 AA sized lithium-ion batteries in a Tesla, depending on the model.