Energy Energy, Vol.24, No.8 Entire volume, number list ISSN: 0360-5442 (Print) In this Issue (8 articles) 655 - 656 A tribute to Dr. Edward A. FletcherBlackshear P, Brown H, Diver R, Epstein M, Harvey B, Hiroki T, Kappauf T, Karni J, Macdonald F, Murray J, Noring J, Palumbo R, Scherrer H, Scholl K, Sparrow E, Steinfeld A, Tamaura Y, Yogev A, Lior N 657 - 679 Global passenger travel: implications for carbon dioxide emissionsSchafer A, Victor DG 681 - 687 Solar collectors versus lamps - a comparison of the energy demand of industrial photochemical processes as exemplified by the production of epsilon-caprolactamFunken KH, Muller FJ, Ortner J, Riffelmann KJ, Sattler C 689 - 704 Prediction of global irradiance on inclined surfaces from horizontal global irradianceOlmo FJ, Vida J, Foyo I, Castro-Diez Y, Alados-Arboledas L 705 - 721 Performance validation of MURAC, a cloudless sky radiance model proposalVida J, Foyo-Moreno I, Alados-Arboledas L 723 - 742 Fuel cell operation on landfill gas at Penrose Power StationSpiegel RJ, Preston JL, Trocciola JC 743 - 752 Simulation of rural household fuel consumption in BangladeshAlam MS, Islam KK, Huq AMZ 753 - 759 The first NATO Advanced Study Institute on Thermodynamic Optimization (Neptun, Romania, 1998)Bejan A