Among other things, there's a move away from technologically sophisticated in-car gizmos like a solar-poweredcooling system designed for the new Prius.
They include advanced, membrane-filtered wastewater treatment systems, solar-powered, high-efficiency lighting and natural gas combined-cycle turbines that will deliver power, heating and cooling.
The invention relates to a solar energy powered cap for cooling, comprising a cap body, a brim and a fan, wherein the fan is arranged on the lower end of the brim.