Technology

Electric-car makers need to stay on their diet

Electric-car makers need to stay on their diet

U.S. electric-vehicle leader Tesla (TSLA.O) has hiked its prices twice in a matter of days, with BYD (002594.SZ), (1211.HK) following suit. The Chinese company and Tesla boss Elon Musk have pointed to rising raw materials costs. It's a trend that threatens the dream of an affordable EV for the masses. Keeping that hope alive argues for cheaper, lighter cars using battery technology that throws out now-expensive materials like nickel and cobalt as far as possible.

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