While driving, the sports car can operate on 100 percent battery power in zero emissions mode for a range of up to 80 miles. When the batteries reach a predetermined state of discharge, the Capstone C30 microturbine quietly fires up and … Capstone Turbine is the world’s leading producer of clean-and- green , highly efficient and reliable microturbines. Capstone’s 30-kilowatt microturbines have been installed in hybrid electric buses, trolleys and transit shuttles around …