Introduction To Roth Automotive Science › Forums › Roth Engine Science, LLC › Question about automotive developement Tagged: manufacturing, OEM This topic has 2 replies, 2 voices, and was last updated 3 years, 5 months ago by theory816. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts November 8, 2021 at 10:05 am #502 adminKeymaster In general, besides the salaries of all of the employees; the biggest costs are the tooling costs for new parts manufacturing November 8, 2021 at 7:23 pm #503 theory816Participant Ohh thanks Dave. I actually made a prediction that it was the tooling cost that was the most expensive in development of new vehicles. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In