article_snippet.sent: (CNN)The Solar Impulse 2, the experimental plane attempting to fly around the world without using a drop of fuel, has been grounded by the weather in China.
article_snippet.sent: Their mission, which the pilots say is aimed at proving the power of renewable energy, and inspiring innovation, has been 12 years in the making.
article_snippet.sent: But so far, the Solar Impulse 2 has been spending a lot of time on the ground.
article_snippet.sent: Our boss is the sun," says Solar Impulse spokeswoman Claudia Durgnat.
article_snippet.sent: Solar Impulse spokeswoman Claudia Durgnat says there may be a tiny window ahead, with the next possible departure from Chongqing on Tuesday.
article_snippet.sent: Even with the delay, Solar Impulse spokeswoman Claudia Durgnat says, the plane technically isn't behind schedule.
article_snippet.sent: With more than 17,000 solar cells along the tops of the plane can venture across the Pacific Ocean to Hawaii wings and fuselage, the Solar Impulse 2 stores up energy during the day, in order to power the motors that carry it through the night, typically at speeds no faster than a car on a highway.
highlights_snippet.sent: Solar plane attempting to be first to circumnavigate world without using fuel is stuck in China .
  
highlights_snippet.sent: Solar Impulse 2 attempts to prove the power of renewable energy .