Is Alonso and Renault back?

In a stunner, Fernando Alonso qualified second in the Grand Prix of Spain, in front of his home crowd. Is Alonso and Renault really back or this is some fluke? I think Renault has made some huge performance grains in the past three weeks but I suspect Alonso is running light, maybe extremely light. Look for Alonso is pit early tomorrow. This is going to be interesting if Alonso and Renault can keep this going. Ferrari, McLaren Mercedes, BMW Sauber and now Renault will all be fighting for the championship. To be continued...