Mercedes-Benz Unveils All-Solid-State Battery" - On September 10th, Factorial Inc., an American solid-state battery developer, announced the launch of Solstice, an all-solid-state battery co-developed with Mercedes-Benz that is set to be introduced to the market in 2030. Factorial stated that the Solstice solid-state battery boasts an energy density of up to 450Wh/kg, which will increase the driving range of electric vehicles by 80%, while "significantly reducing" vehicle weight and enhancing vehicle efficiency.