Hybrids, such as the Toyota Prius and the Honda Civic hybrid have been picking up speed in the past several years, but they still wind up burning a gallon of gas for every 40-50 miles they cover.

混合动力车，例如丰田的Prius和本田的Civic，在过去的几年一直在速度上有所提高，但每40 - 50英里的路程仍需消耗一加仑的汽油。

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This weather balloon will mostly measure temperature, air pressure, and wind speed, but others sample the air for the concentration of various gases like carbon dioxide and oxygen.

气象气球主要是用来测定温度，气压和风速的，另外它还能够测出空气中很多种气体的含量，例如二氧化碳和氧气等。

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Various studies have shown upward trends in wind speed over the last decade or two, but all of those projects have focused on limited parts of the world.

虽然各种各样的研究已经显示了在过去的一、二十年里风速正在呈上升的趋势，但是那些研究都集中的局限在世界的某些区域内。

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Wind power has made significant advances in efficiency and scale in recent years, but wind-turbines are still able to handle only one of many wind-speed categories.

FORBES: Magazine Article

Earlier Sanna had explained that overcast skies and no wind made for a good top speed, but the air temperature, 28 degrees Celsius (83 degrees Fahrenheit), was too warm to sustain it for an entire lap--the engine would overheat.

FORBES: One Lamborghini, One Man, 200 MPH

Change takes work and creativity, much like how a roller coaster needs to climb up that first steep hill, but the reward is the thrill of the speed and the wind in your face on the way down.

WHITEHOUSE: Champions of Change Blog