https://www.washingtonpost.com/technology/2018/07/11/former-tesla-employee-blasted-by-elon-musk-takes-battle-sec-filing-whistleblower-complaint/?noredirect=on&utm_term=.e3e715fcb02c

Tripp told the SEC on Friday that the Silicon Valley car company, whose $53 billion value rivals that of General Motors, had pushed for a number of potentially damaging measures to meet production quotas, including placing batteries with puncture holes into vehicles and reusing scrapped parts.

The company, Tripp said, had also inflated the number of Model 3 sedans it was making each week by as much as 44 percent, skewing the figure that investors and buyers had for months watched closely for clues to Tesla’s performance.