Very sad news. Lee Schipper, physicist and researcher with Lawrence Livermore and then founder of the sustainable transport research program at the World Resources Institute, passed away from cancer yesterday. He was a great speaker, a terrific role model, and wonderful writer on transportation and energy, and he will be missed.
Are We Reaching Peak Travel? Trends in Passenger Transport in Eight Industrialized Countries (3.0MB PDF) Preprint of an article submitted for consideration in Transport Reviews © 2011
and one of my favorite papers of all time: