USE Manager 6.1 provides automated, fully-integrated, real-time status and building control via the Web. The package includes a quartet of features: the EPA's Portfolio Manager, USE Tracker, Real-Time Management, and USE-Mobile. These applications offer online energy monitoring and control systems. Properties typically save 15-35% on fuel usage with payback in under 2 years. Additionally, property managers can control an entire portfolio remotely in just minutes a day.