Toyota said on Tuesday it expects to spend more than $13.5 billion by 2030 to develop batteries and its battery supply system -- a bid to lead in the key automotive technology over the next decade. From a report: The world's largest automaker by volume, which pioneered hybrid gasoline-electric vehicles with the popular Prius, is now moving rapidly to deliver its first all-electric line-up next year. Considered a leader in developing batteries for electric vehicles, Toyota said it aims to slash the cost of its batteries by 30% or more by working on the materials used and the way the cells are structured. "Then, for the vehicle, we aim to improve power consumption, which is an indicator of the amount of electricity used per kilometer, by 30%, starting with the Toyota bZ4X," Chief Technology Officer Masahiko Maeda told a briefing, referring to an upcoming compact SUV model.

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