FILE PHOTO: Tesla Inc CEO Elon Musk and Shanghai's Mayor Ying Yong attend an opening ceremony for Tesla's China-made Model Y program in Shanghai, China January 7, 2020. REUTERS/Aly Song/File Photo
(Reuters) - The secret behind Elon Musk's goal of selling 20 million Tesla's a year by 2030 lies in its pioneering battery technology.
The good news is that by using bigger cells and a new process to dry-coat electrodes, Tesla could halve the cost of a Model Y battery, saving more than 8% of the car's U.S. starting price, battery experts with ties to the company said.
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