He is still trying to get the ECU mapping down, so that he has the right fuel tune. Since no one has done it before, it's an all new tune. He was working with the company Banks (who helped Mike Ryan this year in his Freightliner with a better fuel curve) right before raceday up to the clouds.
The guy (Gregoire Blachon) is importing the motors into Tennessee if you want a Diesel Boxer. He's running a 2012. Nice guy. He's not time attacking, more for advertisement that this Boxer Diesel exists in the States now.