Florida. Puerto rico Hawaii and other islands Electric e is no 级级 obtained primarily from imported fossil fuels E40E50E60E70c80E9oE10C110c120E130E140E150E160E170E180E170w160w150 60w 150w 140W 130w 120W 110W 100W 90w 80W 7OW 60w 50w 40 30w 20W 10W Ow 10E 60w150w140w130W12ow11ow100W90W80w70w6oW50W40w3ow2w10wow10E20E Figure 5.8 Globe distribution of the OtEC resource. The temperature difference(degrees Celsius )is shown between the surface and 1000 meter depth(Figure supplied by the National Renewable Energy Laboratory. 复旦大学环境科学与工程系 Department of Environmental Science and Engineering, Fudan UniversityFigure 5.8 Globe distribution of the OTEC resource. The temperature difference (degrees Celsius ) is shown between the surface and 1000 meter depth. (Figure supplied by the National Renewable Energy Laboratory.) Florida, Puerto Rico, Hawaii and other islands. Electric E is now obtained primarily from imported fossil fuels