Pedal-Powered Purifier Clears the Air in China

Feb. 4 (Bloomberg) -- Paul Allen reports on a man who has created a bicycle that purifies the air. He speaks on Bloomberg Television's "First Up." (Source: Bloomberg)

Bloomberg Best: Global Week in Review (02/12)
04:48 - A review of the week's top business stories from the U.S., Europe and Asia, including Federal Reserve Chair Janet Yellen's testimony before Congress, drama for Deutsche Bank and exclusive interviews with prominent business and political figures. (Source: Bloomberg)
  • Tech Swings: Bloomberg West (Full Show 02/12)
  • Bank Stocks Rally: What'd You Miss? (Full Show 02/12)
  • Khosla's Rabois: Seeing a Sea Change in Private Markets