Related by context. Frequent words. (Click for all words.) 49 Concerned Scientists 47 Concerned Scientists UCS 46 Luke Popovich 44 Daryl Kimball 42 Mitloehner 42 Worldwatch 41 Daniel Sperling 41 alternative fuels 40 EPRI 40 Lochbaum 40 PennEnvironment 39 FFVs 39 publishes Consumer Reports 39 corn ethanol 39 Brattle Group 39 PHEVs 38 Jean Halloran 38 fossil fuels 38 David Kolata 38 UCS 38 General Accountability Office 38 GAO 37 Rubber Manufacturers Association 37 Union 37 biofuel crops 37 Worldwatch Institute 37 David Lochbaum 37 nonpartisan CBO 37 fossil fuel 37 www.fueleconomy.gov 37 GNEP 37 Fuel Efficiency 37 biofuels 37 Roland Hwang 37 Daryl Kimball executive 36 Waxman Markey 36 EPA 36 Hybrid Vehicles 36 Electric Reliability Coordinating 36 renewable fuels 36 Congressional Budget Office 36 Tom Buis 36 INEEL 36 Philip Clapp 36 ACEEE 36 GHG reduction 36 Renewable Fuels Association 36 GMO foods 36 Philip Kamrass Times 36 NHTSA 36 reducing carbon emissions 36 CropLife America 36 NGVs 35 Waxman Markey bill 35 GHG emission 35 CAFE standards 35 Waxman D Calif 35 ATSDR 35 ocean acidity 35 greenhouse gas emission reductions 35 curbing carbon emissions 35 Research Institute EPRI 35 Jeff Tittel 35 Amory Lovins 35 hybrids 35 ACCCE 35 curbing greenhouse gases 35 greenhouse emissions 35 Joseph Cirincione 35 heat trapping emissions 35 Paul Buckowski Times 35 carbon dioxide emissions 34 environmental impacts 34 Gary Samore 34 PHEV 34 Obesity Task Force 34 Railroad Passengers 34 legislatively mandated 34 Fossil Fuels 34 Verleger 34 greenhouse gas emissions 34 DNDO 34 Juliet Eilperin 34 FCVs 34 Linda Bilmes 34 Automobile Manufacturers 34 Phil Bloomer 34 combating global warming 34 reduce greenhouse gas 34 greenhouse gas emitting 34 PIRG 34 Energy Efficient Economy 34 NRDC 34 greenhouse emission 34 emissions 34 Christopher Preble 34 IHS Cambridge 34 Renewable Fuels Standard 34 Steven Mufson 34 emission reductions 34 Consumers