Primary Research

Willingness to Pay for Ethanol in Motor Fuel

February 2, 2017
A summary of the study “Willingness to Pay for Ethanol in Motor Fuel: Evidence from Revealed and Stated Preference for E85” by the Iowa State University

The Low-Carbon Fuel Consumer

October 19, 2016
In 2016, Propel conducted a study of nearly 1,000 low-carbon fuel consumers in California. These findings are the most thorough insights into low-carbon fuel consumer behavior ever captured, and the first consumer study of renewable diesel in the United States. While the user base for E85 has been established over several years, these results represent early adopters of renewable diesel less than one year into the adoption curve.

E85: A California Success Story

June 1, 2015
Driven by strong consumer value, innovative fuel retailers and progressive state policies, California has emerged as the national leader in E85 market growth. California’s E85 market has grown 600% over the past five years to exceed 11 million gallons in 2014.

Low Carbon Fuels Working for California

March 16, 2015
Low Carbon Fuels Working for California, Consumer Study, Propel Fuels