Enova Works With IC Corporation to Produce Nation's First Hybrid School Bus; Project Increases Fuel Economy by About 40 Percent, Signals IC Corporation's Continued Leadership in the School Transportation Industry

TORRANCE, Calif.--Feb. 2, 2006--Enova Systems (OTCBB:ENOV) (AIM:ENV) (AIM:ENVS), a leading developer and manufacturer of electric, hybrid and fuel cell digital power management systems, confirmed today its working relationship with IC Corporation, a division of International Truck and Engine. IC Corporation, North America's largest school bus manufacturer, and Enova's joint effort has resulted in the completion of the nation's first functional hybrid school bus.

The two companies have developed a prototype school bus incorporating Enova's 80 kW post transmission hybrid drive system with an AC induction motor.

Please visit the following links for a full-text version of the news release with multimedia, originally issued by IC Corporation on Monday, Jan. 3, 20060, 2006: http://biz.yahoo.com/bw/060130/20060130006046.html?.v=1 (You may need to copy and paste this link into your browser.)

About IC Corporation

IC Corporation, the nation's largest integrated school bus manufacturer, is a wholly owned subsidiary of International Truck and Engine Corporation. International produces school bus chassis, mid-range diesel engines, medium trucks, heavy trucks, severe service vehicles, and is a provider of parts and service sold under the International brand. Both IC and International are subsidiaries of Navistar International Corporation . Additional information is available site at: www.ic-corp.com.

About Enova Systems, Inc.

Enova Systems is a leading supplier of efficient, environmentally friendly digital power components and systems products. The Company's core competencies are focused on the development and commercialization of power management and conversion systems for mobile and stationary applications. Enova applies unique 'enabling technologies' in the areas of alternative energy propulsion systems for medium and heavy-duty vehicles as well as power conditioning and management systems for distributed generation systems. The Company develops, designs and produces drive systems and related components for electric, hybrid-electric, and fuel cell powered vehicles. For further information, contact Enova Systems directly, or visit its Web site at www.enovasystems.com.