From there, its internal combustion engine powers an electric generator to extend the vehicle's range as needed. While running on gasoline at high speeds the engine may be mechanically linked (by a clutch) to a generator set, improving efficiency by 10% to 15%.
The power source for this comes from its internal combustion engine, which drives an electric generator to enhance the vehicle's range when needed. When operating at high speeds on gasoline, the engine can be mechanically connected to a generator set via a clutch, increasing efficiency by 10% to 15%.