Tesla may have a big advantage over Porsche and GM in the most expensive part of an electric car (TSLA)
1:12pm PST - February 11th, 2020 tsla - Business InsiderTesla may be paying less for battery packs than rivals like General Motors and Porsche, according to Cairn Energy Research Advisors. Last year, an electric-vehicle battery pack made with the kinds of cells Tesla uses cost around 25%-60% less than packs with c…