41. The energy factor is expressed in terms of site energy, which excludes losses through energy conversion . 42. Via a technology called Ocean thermal energy conversion , the temperature difference can be turned into electricity. 43. In 2010, a solar energy conversion efficiency of about 10 % was achieved in a CZTS device. 44. Shares of Energy Conversion Devices Inc . fell 1 1 / 8 to 14 5 / 8. 45. In 1950 he was released from prison, with acknowledgment of his research on ocean thermal energy conversion . 46. On the roof are 110 solar shingles supplied by Energy Conversion Devices ( ECD ) in Detroit. 47. It has the highest solar energy conversion efficiency ( ~ 20 % ) among thin film materials. 48. Energy Conversion and Management-" with several modifications.49. Speakers include Energy Conversion Devices executive director and former chairman of General Motors Corp . Robert Stempel. 50. Direct energy conversion does the opposite.