A vehicle roof structure includes a solar cell unit having a plurality of solar cells arranged in a planar form at intervals from one another, a roof panel disposed to cover the solar cell unit from above, and a reinforcing member disposed under the solar cell unit. There is provided a method to easily derive a quantization parameter value using information such as bit usage, previous QP values and SAD values from the past encoded and future frames. The device also includes a power module that is electrically coupled between the first and second electrodes. The eye alignment assembly provides an indication of orientation of a user’s eye in the pitch and yaw directions relative to the housing. 0 cm in diameter and blue in color with a yellow-orange colored throat and center; vigorous growth habit, which maintains a trailing, compact growth habit; early flowering response; and suitable for use with hanging basket planters, combination planters and ground cover under full sunlight and slight shade. The dual barrel jet fuel pump assembly also includes a first conduit conducting return fuel from an engine of the vehicle to the reservoir and a second conduit extending to an auxiliary side of the fuel tank.