Related by context. Frequent words. (Click for all words.) 61 T. Boone Pickens 57 Boone Pickens 51 Pickens Plan 41 alternative fuels 41 House Speaker Nancy 41 billionaire investor 40 Sen. Phil Gramm 40 cleaner burning 39 alternative energies 39 Silicon Valley venture capitalist 39 renewable fuels 39 Billionaire investor 38 California Gov. Arnold 38 cyclist Lance Armstrong 38 Vinod Khosla 37 renewable energy 36 investor Warren Buffett 36 billionaire financier 36 Cellulosic ethanol 35 Warren Buffett 35 Billionaire investor Warren Buffett 35 founder Jeff Bezos 35 Kenneth Langone 35 financier Carl Icahn 35 shareholder Kirk Kerkorian 35 Gov. Rick 34 billionaire Warren Buffett 34 global warming 34 biofuels 34 Alternative Energy 34 ethanol 34 natural gas 34 President George W. 34 hydrogen fuel 34 cleaner fuels 34 Billionaire investor Kirk Kerkorian 34 billionaire 33 William Ackman 33 Sen. Dianne Feinstein 33 hydrogen powered 33 Kirk Kerkorian 33 billionaire Ron Burkle 33 curbing greenhouse gases 33 venture capitalist 33 Presumptive Republican 33 Montana Meth 33 Gov. Arnold Schwarzenegger 33 Sen. Kay Bailey 33 Governor Arnold Schwarzenegger 32 lawmakers 32 zero emission 32 compressed natural 32 biofuel 32 financier George Soros 32 Federal Reserve Chairman 32 George Soros 32 Treasury Secretary 32 fossil fuels 32 Billionaire investor Carl Icahn 32 electric hybrid 32 gasoline 32 hydrogen 32 billionaire George Soros 32 billionaire Kirk Kerkorian 32 Richard Branson 32 Alan Greenspan 31 SACRAMENTO Gov. Arnold 31 supermarket magnate 31 Mario Gabelli 31 ethanol blended 31 Martin Feldstein 31 real estate magnate 31 Warren Buffet 31 Sen. Barbara Boxer 31 cellulosic ethanol 31 greenhouse gases 31 Ted Turner 31 legalizing slot machines 31 privately financed 31 tailpipe emissions 31 Gov. Susana Martinez 31 Gov. Jennifer Granholm 31 Abortion foes 31 Gov. Tom Vilsack 31 Marc Andreessen 31 fossil fuel 31 Samuel Bodman 31 Rob McEwen 31 Henry Paulson 31 Saudi Prince Alwaleed 31 Sen. Hillary Rodham 31 Representative Nancy Pelosi 31 Gov. Jon Huntsman 31 renewables 31 Paulson 31 Giving Pledge 31 Mayor Bob Cashell 31 Tort reform 31 philanthropist 30 Sir Richard Branson 30 Senator Barbara Boxer