SimilarityRank
geothermal 0.880 21905
Renewable 0.806 19768
Biomass 0.794 50798
Energy 0.793 2769
Solar 0.776 7195
Gas 0.767 8205
Renewables 0.757 55257
Heating 0.754 20354
Heaters 0.752 66548
Energy's 0.749 41046
Turbines 0.746 90319
Photovoltaic 0.743 65567
Cooling 0.735 31879
Heater 0.730 46965
Electricity 0.726 20930
cogeneration 0.723 76666
Thermal 0.721 25485
NREL 0.716 96585
gas-fired 0.716 70372
Groundwater 0.716 66053
Propane 0.711 57643
gasification 0.705 64900
Biofuels 0.702 67613
Methane 0.697 69623
Efficiency 0.697 18898