1.   As it does, the electrons left behind are forced to travel an external circuit, producing direct current that can power a car.

2.   At moderate speeds, the car is powered by the gasoline engine.

3.   Automakers have struggled for years to develop a reliable battery that could power a car for long distances.

4.   Both cars are powered by a new kind of batteries called Nickel-Metal Hydride, or NiMH, made by Ovonic Battery Co.

5.   But electric cars are powered entirely by huge batteries.

6.   Fuel cells mix hydrogen and oxygen to create the electrical energy that powers the car.

7.   Fuel cell engines use hydrogen and oxygen, or another combination of fuels, to create electricity which is used to power the car.

8.   In addition to manning a two-driver team, Mo Nunn Racing also announced that its cars will be powered by Honda.

9.   No engine powers this car, only banks of batteries.

10.   One day, he said, it might power cars.