Tesla is preparing to take over the world with its new battery—just not yet
At Tesla’s “Battery Day” yesterday, attention was on two magic numbers: $100 per kilowatt-hour and 1 million miles. Battery costs need to come down to around $100 per kWh for electric vehicles (EVs) to reach cost parity with internal combustion engines. CEO Elon Musk promised the first, and didn’t mention the second.