TrainsBraking trains coupling with energy storage for big electricity savings. Philadelphia’s transit system uses as much energy each year as 46,000 homes. Now using regenerative braking technology and other energy storage technologies, the transit system is achieving significant energy reductions. One substation is achieving $60,000 a year in savings and there are 30 substations. Find out more about this city’s efforts published in the Scientific American online website.

About the Author: Lauren Boitel

Lauren Boitel is the Executive Director of ImpactNV, a statewide sustainability NGO convener and coalition builder that drives systemic change around economic, environmental, and social sustainability in the Silver State. Lauren has 12 years of experience as a Sustainability Professional in Southern Nevada and teaches Sustainability & Entrepreneurship for the Lee Business School at UNLV.