an over-the-air software update for two of its vehicles, including the flagship Model S, to improve safety and battery life as it continues investigating the cause of the Hong Kong fire. The action will revise charge and thermal-management settings “out of an abundance of caution,” the company said in a statement. Teslas are 10 times less likely to experience a blaze than cars that run on combustion engines, the company said.
For EVs, the risk of a fire or explosion is comparable — or potentially slightly lower — than for gas or diesel-fueled models, according to a 2017commissioned by the U.S. National Highway Traffic Safety Administration. However, safety risks may increase as manufacturers work to boost performance and push battery cells closer to their limits, the study found.
Rapid growth means the sector “will no doubt see increasing quality control issues with the supply chain,” Moores said. “The biggest challenge for all EV makers is to ensure quality and consistency runs right through the supply chain — from raw material selection to chemicals to battery cell — and into the pack and vehicle.”
The incidents threaten to “slow the breakneck pace of adoption of grid storage systems,” said Sam Jaffe, managing director at Boulder, Colorado-based Cairn Energy Research Advisors. “It’s definitely a black eye for the stationary storage industry.”
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