UHERO

Makena Coffman

Do electric vehicle incentives matter? Evidence from the 50 U.S. states

Do electric vehicle incentives matter? Evidence from the 50 U.S. states

June 7, 2018

UHERO congratulates Sherilyn Wee, Makena Coffman, and Sumner La Croix on the publication of, “Do electric vehicle incentives matter? Evidence from the 50 U.S. states,”…

Who are Driving Electric Vehicles? An analysis of factors that affect EV adoption in Hawaii

Who are Driving Electric Vehicles? An analysis of factors that affect EV adoption in Hawaii

May 30, 2018

This study uses data on EV registrations by zipcode in Hawaii to analyze a variety of demographic and transportation factors that might affect EV adoption.…

Determinants of Residential Solar Photovoltaic Adoption

Determinants of Residential Solar Photovoltaic Adoption

February 7, 2018

Hawaii is a leader in distributed solar photovoltaic (PV) adoption. It has the highest rate of PV-based electricity penetration in the U.S. and rivals global…

A Scoping Study for Climate Action Planning in Kauaʻi

A Scoping Study for Climate Action Planning in Kauaʻi

October 16, 2017

This report documents best practices for county-level climate action plans (CAPs), with considerations for Kaua‘i. A CAP is primarily a process by which a jurisdiction…

The Role of Policy and Peers in EV Adoption

The Role of Policy and Peers in EV Adoption

June 2, 2017

By Sherilyn Wee, Makena Coffman and Sumner LaCroix Electric vehicles (EVs) can be a cleaner means of transportation compared to cars with traditional gasoline engines.…

Estimating the Opportunity for Load-Shifting in Hawaii: An Analysis of Proposed Residential Time-of-Use Rates

August 2, 2016

Hawaii’s largest electric utility, Hawaiian Electric Company (HECO) and its subsidiaries recently proposed a Time of Use (TOU) pricing scheme for residential rates. The TOU…

Electric Vehicle Greenhouse Gas Emission Assessment for Hawaii

July 28, 2016

This study estimates greenhouse gas (GHG) emissions of electric vehicles (EVs) compared to that of other popular and similar cars in Hawaii, by county over…

A Status Update on Federal GHG Emissions Reduction Policy for Hawaii

A Status Update on Federal GHG Emissions Reduction Policy for Hawaii

January 4, 2016

By Paul Bernstein, Makena Coffman and Sherilyn Wee In early August, President Obama announced and the U.S. Environmental Protection Agency (EPA) released the final details…

Research Driven Energy Policy

November 5, 2015

By Carl Bonham, Makena Coffman, and Michael Roberts Hawaii is in the midst of transforming its electricity system into one with a lot more renewable…