Actually it is just to rename the Nissan engine Alpine-Renault for marketing reason as Renault is going to relaunch this brand in 2015 and as Nissan going to P1, no need to advertize P2 results.
http://almshd-lh.akamaihd.net/almsincar5_sd_2200k@102863?v=2.7.6&fp=WIN%2011,6,602,180&r=HFRGC&g=TMEUGUKSBPED