NextEra, the $15 billion Florida-based energy corporation that has been lobbying for over a year to construct two wind research towers near Dillon Beach, said this week that those plans are now scrapped. Company spokesman Steve Stengel gave no explanation for why the project had been abandoned, writing only that they have “made the determination not to pursue this project at this time.” The Marin County Board of Supervisors had approved the 200-foot towers last…