"The U.S. Environmental Protection Agency said Thursday that it will allow manufacturers to sell diesel engines that don't meet federal emission standards."
Chicago Tribune
Navistar to take $40-$60 million restructuring charge
"The company, which is struggling to win U.S. regulatory approval for a new generation of diesel engine, earlier this month said it was planning to cut jobs through a voluntary separation program."
Reuters
Navistar faces time crunch on new engine development
"Navistar International’s ability to hit its early 2013 engine rollout target depends largely on when the company began regulatory certification efforts..."
Financial Times
