France-based automobile manufacturer Renault and Japan-headquartered Nissan on Monday committed investments of USD 600 million (around Rs 5,300 crore) in the country 15 years after foraying into the Tamil Nadu automobile industry. The fresh round of investments would witness roll out of six new models between the two companies including -- two electric vehicles -- representing the two global brands, Nissan Global chief operating officer and Member, Alliance Board Ashwani Gupta said here.