VTT testing says Donut Lab’s “solid-state” battery likely matches lithium-ion; energy density measured at 298 Wh/kg, claims ...
After 11,000 miles, one Kia EV9 owner discovered that his "full" battery was actually a digital illusion designed to protect the car from its own driver.
Electric car battery technology has been improving quickly and packs become cheaper every year. But getting the most out of an EV’s energy storage isn’t just about the underlying chemistry. According ...
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