Document Type

Closed Project

Publication Date

Spring 2017


Judith Estep

Course Title

Energy Technology Innovation

Course Number

ETM 568/668


Electric vehicles -- Batteries -- Evaluation, Technology assessment, Technological forecasting


On October 23, 2015, there was a massive natural gas leak at Aliso Canyon, near Los Angeles, California. The leak lasted for nearly five months until mid-February 2016. According to the Environmental Defense Fund, during this time, 109,000 metric tons of methane were released into the atmosphere—the largest leak in U.S history [1]. Not only were people who lived nearby the Canyon faced with impacts from air pollution, but there were also economic losses. The amount of leaked methane was equal to over one billion gallons of gasoline, or over 21 million U.S dollars [2]. These economic resources were wasted within just a few months. In addition, due to the leak, there was the longer-term concern of not having enough fuel supply for natural gas-fired electric generation in Southern California until Summer 2017 since most of natural gas used in the region relied on Aliso Canyon storage.


In Copyright. URI: This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).


This project is only available to students, staff, and faculty of Portland State University

Persistent Identifier