Second Draft:

 Solar cars

      Solar cars dependent on PV cells to convert sunlight into electricity to drive electric motors. It has four wheels and car shape.This limits solar cars to ultralight composite body to save weight.Solar cars are often fitted with gauges,to carefully monitor the car's energy consumption,solar energy capture and other parameters (Lynch, 2014). Controlled by a wireless system the driver to concentrate on driving, which can be dangerous in such a small, lightweight car. this car  around 2.5 million baht. One blog of energy is Works about 15 hours enough for  an average speed of 10-80 kilometers per hours. supplement battery pack and a proven charge controlling system have efficiency.I think that the solar car will be replaced the gasoline car in the next 15 years because it's environmentally friendly.