Complex sentence: Extreme Manufacturing was first implemented by Joe Justice and his team from Wikispeed in 2008 as a framework to enable the team to compete in the Progressive Automotive X Prize competition in 2010 to create a road-legal automobile capable of achieving 100 mpg.
Split into simpler sentences: Extreme Manufacturing was first implemented by Joe Justice and his team from Wikispeed in 2008. The Automotive X Prize was established to create a road-legal automobile capable of achieving 100 mpg.