If the high price tag is all that stands between you and your dream Tesla, you might be able to afford one in a few years. Panasonic is working on making new, cobalt-free batteries that will bring down costs and make Tesla vehicles more environmentally friendly. “Two or three years from now, we will be able to introduce a cobalt-free, high energy-density cell,” said Shawn Watanabe, head of energy technology and manufacturing at Panasonic of Japan, during a session at CES 2021, the world’s largest tech and consumer electronics expo.