These included that Ford knew the Pinto was a "firetrap" and said that Ford did not implement design changes because the company's cost–benefit analysis document showed that paying out millions in damages in lawsuits was less expensive than the design changes.[91] The day after the article's release consumer advocate Ralph Nader and the author of the Mother Jones article held a news conference in Washington DC on the alleged dangers of the Pinto's design.[92] On the same day, Nader and the Center for Auto Safety re-submitted their petition to the NHTSA.[93]