Sevcon, Inc. designs and sells motor controllers for zero emission electric and hybrid vehicles (EVs), under the Sevcon name. The Company operates through two segments: electronic controls and capacitors. The electronic controls segment produces microprocessor-based control systems for zero emission and hybrid electric vehicles. The capacitor segment produces metalized film capacitors for sale to electronic equipment manufacturers. Its controls are used to vary the speed and movement of vehicles. The Company's customers are manufacturers of on and off-road vehicles, including cars, trucks, buses, motorcycles, fork lift trucks, aerial lifts, mining vehicles, airport tractors and other electrically powered vehicles. Its products and accessories for two wheel pure EVs, four wheel pure EVs, hybrid vehicles and industrial electric vehicles include alternating current (AC) controllers, direct current (DC) controllers, battery chargers, DC/DC converters, displays and power steering.