This dissertation examines the rise, present use, and future growth of the electric two-wheeler (E2W, a.k.a. E2W or e-scooter) in China, the world’s most successful electricdrive vehicle. The E2W market has been experiencing tremendous growth with over 30 million now in regular use on...

A Pavement Management System (PMS) is a decision-support tool that aids public agencies in planning maintenance activities of their facilities. A complete PMS involves the following tasks: inspecting facilities and collecting data, predicting the deterioration of facilities through performance...

Continuing its role as a leader in air pollution policymaking, California led the nation by passing the first global warming legislation in the U.S.: the Global Warming Solutions Act or Assembly Bill 32 (AB 32). The legislation requires California to decrease greenhouse gas (GHG) emissions to...

China’s economic expansion is fueling an accelerated demand for private vehicles. While China’s growing motorization is similar to that of other developing nations, the scale of this growth is unprecedented. Personal motorization provides numerous benefits to individuals and...

This paper focuses on the tradeoff in time allocation between maintenance activities/travel and discretionary activities/travel. With the recognition that people are not completely free to allocate their time between activities and travel, we propose a linear constraint in time allocation...

China’s major paved road-ways (national roads, provincial roads, and county roads), railways and urban development are rapidly expanding. A likely consequence of this fast-paced growth is landscape fragmentation and disruption of ecological flows. In order to provide ecological...

Applications of new information and communication technologies (ICTs) are changing how and where we work, shop, play, travel, and in other ways live our lives. Yet because ICT development and use is in such a volatile state, many of those changes and impacts are poorly understood. This report...

Executive Order S-1-07, the Low Carbon Fuel Standard (LCFS) (January 18, 2007), calls for a reduction of at least 10 percent in the carbon intensity of California’s transportation fuels by 2020. It instructed the Secretary of the California Environmental Protection Agency to coordinate...

Environmental and politico-strategic concerns have driven the increase in policy activity related to energy that the United States witnessed in the last few years. The nature of the issues at stake and the level of stakeholder involvement result in a highly complex policy debate. The broad...

Governments in the US spend over a hundred billion dollars per year to build and maintain roads and provide a variety of services for motor-vehicle users. To pay for these infrastructure and services governments collect revenue from a variety of taxes and fees. The basic objective of this paper...