Heavy freight. Big challenge. One goal. : environmentally sustainable freight transport: international, national, local / publisher: German Environment Agency ; authors: Martyn Douglas, Juliane Bopst, Wolfram Calvet, Miriam Dross, Katrin Dziekan, Katharina Koppe, Martin Lambrecht, Martin Lange, Juliane Schicketanz, Frank Wetzel and Percy Appel, Anna Chanin, Christian Fabris, Andrea Fechter, Kilian Frey, Detlef Gebauer, Michael Golde, Detlef Grimski, David Hartmann, Olaf Hölzer-Schopohl, Helge Jahn, Andrea Kolodziej, Christine Kornher, Anja Leskovar, Benjamin Lünenbürger, Thomas Myck, Elke Örtl, Maximilian Pagel, Carola Pahl, Ulrike Pirntke, Katja Purr, Inke Schauser, Ulrike von Schlippenbach, Martin Schmied, Dana Shilton, Annett Steindorf, Doris Tharan, Julia Treichel, Christoph Töpfer, René Weinandy, Jan Weiß ; editorial office: Dipl.-Ing. Christa Friedl, Economic Journalist, Krefeld