Related by context. Frequent words. (Click for all words.) 49 Roland Hwang 48 David Bookbinder 46 Brendan Cummings 44 Kassie Siegel 41 Philip Clapp 41 David Sandalow 40 Kieran Suckling 40 Nancy Sutley 40 Natural Resources Defense 39 Alden Meyer 38 Jeff Tittel 38 Joseph Cirincione 38 George Magliano 37 Joan Claybrook 37 Jared Blumenfeld 37 Gina McCarthy 36 Minister Sigmar Gabriel 36 Sunita Narain 36 Concerned Scientists 36 Len Nichols 36 Tyson Slocum 35 Sandalow 35 Joseph Romm 35 Minister Andreas Carlgren 35 Ed Mierzwinski consumer 34 Daryl Kimball 34 Kim Carstensen 34 Milkey 34 Joel Makower 34 Electric Reliability Coordinating 33 heat trapping emissions 33 tailpipe emissions 33 Biological Diversity 33 Mark Kastel 33 Tom Buis 33 Rep. Edward Markey 33 Jean Halloran 32 Automobile Manufacturers 32 Zubrin 32 Audra Parker 32 Dennis DesRosiers 32 spokesman Jonathan Shradar 32 By Julian Pecquet 31 minister Jairam Ramesh 31 greenhouse gas 31 Shyam Saran 31 Environment CSE 31 David Lochbaum 31 Gary Samore 31 CEQ 30 Environmental Integrity 30 Energy Efficient Economy 30 Edmunds.com automotive 30 Barry Steinhardt 30 CAFE standards 30 Carol Browner 30 Amory Lovins 30 Earthjustice 30 GELLERMAN 30 publishes Consumer Reports 30 NRDC 29 Rubber Manufacturers Association 29 Daryl Kimball executive 29 USCAP 29 NHTSA 29 CURWOOD 29 Worldwatch Institute 29 Public Interest CSPI 29 Daniel Petrocelli Skilling 29 Ir Amim 29 Barbara Boxer D Calif 29 Competitive Enterprise 28 www.fueleconomy.gov 28 greenhouse gas emissions 28 Kevin Trenberth 28 Marion Nestle 28 ACEEE 28 non proliferation 28 Environmental Responsibility PEER 28 CALSTART 28 greenhouse gases 28 Public Citizen 27 National Highway Traffic 27 IHS Cambridge 27 Representative Edward Markey 27 Non proliferation 27 Eli Pariser 27 Electronic Privacy Information 27 carbon dioxide emissions 27 Tittel 27 Gigi Sohn president 27 Pembina Institute 27 Linda Kenney Baden 27 Bill McKibben 27 IHS Automotive 27 Worldwatch 27 Steven Aftergood 27 CropLife America 27 Concerned Scientists UCS 27 Jay Schwartzman 27 Renewable Fuels Association