Liquefied Natural Gas (LNG) Closing Keynote: The Future Of LNG Fuel In The U.S. (2015) Ray LaHood, former Secretary, U.S. Department of Transportation. Fri, 04/24/2015 - 11:40 AM World LNG Fuels 2015_Bob Nimocks_Ray LaHood Ray LaHood, former Secretary, U.S. Department of Transportation. Recommended Reading