The only user interface in the drone is a tablet which gives the passenger the options to take off and land as well as adjust the air-conditioning.

该无人机仅有的用户界面是一块平板，让乘客自行选择起飞还是降落，同时还可调节空调温度。

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Also, the test is done without air-conditioning, which reduces fuel economy, and without any popular options that add weight to vehicles, thereby making them less efficient.

FORBES: Fuel Economy Sticker Shock