"Proposed Vehicle Fuel Economy Standards in the United States for 2017 to 2025: Impacts on the Economy, Energy, and Greenhouse Gas Emissions."

Karplus, Vakerie Jean and Sergey Paltsev. Transportation Research Record Vol. 2287, (2012): 132-139.

"Climate and Energy Policy for U.S. Passenger Vehicles: A Technology-Rich Economic Modeling and Policy Analysis."

Karplus, Valerie Jean. Massachusetts Institute of Technology, 2011.

"Prospects for Plug-in Hybrid Electric Vehicles in the United States and Japan: A General Equilibrium Analysis."

Karplus, Valerie Jean, Sergey Paltsev and John M. Reilly. Transportation Research Part A Vol. 44, No. 8 (2010): 620-641.

"Modeling Prospects for Hydrogen Powered Transportation Through 2100."

Sandoval, Reynaldo, Valerie Jean Karplus, Sebastian Paltsev and John M. Reilly. Journal of Transport Economics and Policy Vol. 43, No. 3 (2009): 291-316.

"Electric vehicles aren't the solution - yet."

Heywood, John B. and Valerie Jean Karplus. The Boston Globe, August 2009.

"Plant Biology Comes of Age in China."

Chen, Haodong, Valerie J. Karplus, Hong Ma, and Xing Wang Deng. The Plant Cell Vol. 18, No. 11 (2006): 2855-2864.