But e-bikes containing lithium-ion batteries are a newer challenge. "When a battery fails, it doesn't necessarily ignite, it will often produce some off-gases," says Stephen Welch, senior lecturer at the University of Edinburgh's Fire Research Centre. "Those off-gases are toxic and flammable. If they accumulate, you can have an explosion risk."
27. a16z 年度预测：2026 年，AI 创业的新机会都在垂直行业，AI 产品会走向定制化, hub.baai.ac.cn/view/51106
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