Elon Musk Scrapped an ‘Ironically Foolish’ Idea to Save Tesla More Than 16 Hours of Production Posted by May 2, 2018 Leave a comment on Elon Musk Scrapped an ‘Ironically Foolish’ Idea to Save Tesla More Than 16 Hours of Production Tesla Model 3 battery pack production decreased from 17 hours to 17 minutes after this one key change, according to the company’s Q1 earnings call.