Integration of Ansoft's Simplorerģ software, designed to predict electrical system behavior, with Advisor software created by the U.S. National Renewable Energy Laboratory (NRL), gives researchers the ability to analyze a vehicle's propulsion and electrical systems simultaneously. "This will help engineers perform system-level drive-cycle simulation, and will prove especially useful for evaluating new energy-efficient vehicle technology," says Uwe Knorr, product marketing manager for Ansoft. With Advisor, engineers can analyze the energy efficiency of conventional electric, fuel-cell, and hybrid-electric vehicles in a virtual environment. Users can virtually test the impact of changes in vehicle components such as engines, batteries, and control systems on, say, fuel economy or emissions. Ansoft's Simplorer provides electromechanical system simulation, allowing analysis of circuits, block diagrams, and states machines. John Arnold of Ansoft Corp. can provide further details. Call (412) 261 3200, or e-mail Arnold@ansoft.com.