Report: DRR, Herta set to split from Lotus

Last week, it was confirmed that two of Lotus' current teams in the IZOD IndyCar Series had asked to go with another engine manufacturer. Now we know who those teams are.Dreyer and Reinbold Racing, with driver Oriol Servia, and Bryan Herta Autosport, with driver Alex Tagliani, are expected to officially split with the British manufacturer tomorrow according to a report from SPEEDTV.com. Lotus has been behind on development of its engines from the beginning and their teams' efforts so far this season have been hampered by a variety of powerplant-related problems.With the departure of DRR and BHA (who is not racing this weekend at Sao Paulo), only two Lotus teams are set to remain -- the single-car effort of HVM Racing (Simona de Silvestro) and the two-car program at Dragon Racing (Sebastien Bourdais and rookie Katherine Legge). A fourth Lotus entry is expected to come at Indianapolis from Newman/Haas Racing. The best finish out of all Lotus-powered drivers so far this season ...