Looks like we'll get a 50-state Cruze diesel. California adopted new air standards last week that made room for small diesels. For the first time they included greenhouse gas benefits in the calculations:
Clean Diesel Vehicles to Meet California's New Stringent Clean Car Standards Adopted by Air Resources Board This Week - Power Engineering"We can now say with confidence that clean diesel cars will be part of the LEV III plan, thanks to the incredible progress and innovation in diesel engines and new advancements in emissions control technology. With the adoption of this rule, the Air Resources Board recognizes the inherent energy efficiency and lower GHG emissions benefits of the new generation of clean diesel technology."