31.   The generator provided power to the firehouse, which provided power to the battery charger, which kept the truck battery charged.

32.   The gas engine either propels the car or charges the battery.

33.   The MFC does not produce enough power to move it, so instead the electricity is used to charge its batteries.

34.   The hybrid operates as an electric car under some conditions and uses the gasoline engine at other times to drive the wheels while also charging the battery.

35.   The local fire department also was concerned about the potential for trouble with cables used for charging robot batteries.

36.   The panels will charge the battery for several hours without draining it.

37.   The right wing started generating power as soon as it unfurled, charging batteries in the tower structure.

38.   The Toyota hybrid does not require recharging, since the gasoline engine charges the battery while the car is running.

39.   The upper quarter of the hull will be blanketed in solar cells that will charge batteries for night-time operations.

40.   These days, Hunter looks for creative challenges that charge her batteries.