This map shows the geographic impact of Dan Sperling's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Dan Sperling with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Dan Sperling more than expected).
This network shows the impact of papers produced by Dan Sperling. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Dan Sperling. The network helps show where Dan Sperling may publish in the future.
Co-authorship network of co-authors of Dan Sperling
This figure shows the co-authorship network connecting the top 25 collaborators of Dan Sperling.
A scholar is included among the top collaborators of Dan Sperling based on the total number of
citations received by their joint publications. Widths of edges
represent the number of papers authors have co-authored together.
Node borders
signify the number of papers an author published with Dan Sperling. Dan Sperling is excluded from
the visualization to improve readability, since they are connected to all nodes in the network.
Ogden, Joan M., Lew Fulton, & Dan Sperling. (2016). Making the Transition to Light-duty Electric-drive Vehicles in the U.S.: Costs in Perspective to 2035.4 indexed citations
3.
Fulton, Lew, et al.. (2014). Three Routes Forward for Biofuels – Incremental, Transitional, and Leapfrog. eScholarship (California Digital Library).2 indexed citations
Gordon, Elizabeth, et al.. (2012). Can Electric 2-Wheelers Play a Substantial Role in Reducing CO2 Emissions?.10 indexed citations
7.
Salon, Deborah, et al.. (2008). City Carbon Budgets: Aligning Incentives for Climate-Friendly Communities. eScholarship (California Digital Library).2 indexed citations
8.
Sperling, Dan & Gustavo O Collantes. (2008). The origin of California’s zero emission vehicle mandate. eScholarship (California Digital Library).
Sperling, Dan, et al.. (2004). HYDROGEN HOPE OR HYPE. IN: THE HYDROGEN ENERGY TRANSITION: MOVING TOWARD THE POST PETROLEUM AGE IN TRANSPORTATION.1 indexed citations
12.
Sperling, Dan. (2002). UPDATING AUTOMOTIVE RESEARCH. Issues in Science and Technology. 18(3).2 indexed citations
13.
Sperling, Dan, et al.. (1996). TRANSPORTATION PROJECT LEVEL CARBON MONOXIDE PROTOCOL.3 indexed citations
14.
Sperling, Dan. (1993). MARKETABLE CREDITS FOR VEHICLE EMISSIONS IN CALIFORNIA.
15.
Sperling, Dan. (1989). Transportation Energy Futures. Annual Review of Energy and the Environment. 14(1). 375–424.3 indexed citations
16.
DeLuchi, Mark A., et al.. (1989). AIR POLLUTANT EMISSIONS AND ELECTRIC VEHICLES.1 indexed citations
17.
Sperling, Dan & Mark A. DeLuchi. (1989). Transportation Energy Futures. Annual Review of Energy. 14(1). 375–424.27 indexed citations
18.
Johnston, Robert, Dan Sperling, & Paul Craig. (1988). Freeway Automation Policy Issues. SAE technical papers on CD-ROM/SAE technical paper series. 1.2 indexed citations
19.
Sperling, Dan, et al.. (1980). Environmental assessment of the use of alcohol fuels in highway vehicles.
Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive
bibliographic database. While OpenAlex provides broad and valuable coverage of the global
research landscape, it—like all bibliographic datasets—has inherent limitations. These include
incomplete records, variations in author disambiguation, differences in journal indexing, and
delays in data updates. As a result, some metrics and network relationships displayed in
Rankless may not fully capture the entirety of a scholar's output or impact.