New Jersey Clean Cities Coalition

The New Jersey Clean Cities Coalition works with vehicle fleets, fuel providers, community leaders, and other stakeholders to identify community-driven choices that save energy and promote the use of alternative fuels and advanced vehicle technologies in transportation.

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Contact Information

30 Union Street
Suite 3 (GbD)
Elizabeth, NJ 07202

Caroline McCallum
973-886-1655
caroline@renewable-connections.com

Coalition Website

General Stats

  • Designated: October 30, 1997
  • Population: 9,343,809 (based on 2024 Census estimate)
  • Area: 7,553 sq. mi.
  • Local/Regional Service Area: Entire state of New Jersey

Alternative Fueling Stations

Including public and private stations

  • Biodiesel (B20 and above): 6
  • Electric (charging outlets): 6,620
  • Ethanol (E85): 10
  • Hydrogen: 1
  • Natural Gas: 34
  • Propane: 16

Energy Use Impact*

Annual Energy Impact

Annual Energy Impact by Alternative Fuel Vehicle Project Type

Emissions Reduced*

Annual Emissions Reduced

Emissions Reduced by Alternative Fuel Vehicle Project Type
*2023 DOE-Verified Metrics

Caroline McCallum

Caroline McCallum is the director of the New Jersey Clean Cities Coalition (NJCCC), where she leads a wide-ranging portfolio of initiatives, including the Electric School Bus Academy, EcoPatrol, Drive Electric NJ, and the I-95 ZEV Corridor, advancing alternative fuel transportation solutions across New Jersey. She previously served as co-director from 2019 to 2025, helping guide the coalition’s growth and impact statewide. In this leadership capacity, Caroline excels in stakeholder engagement, membership outreach, and community collaboration, helping fleets, employers, and municipalities improve air quality and adopt cost-saving technologies. With extensive experience in program development, fleet evaluations, and grant facilitation, she has been instrumental in shaping NJCCC’s statewide impact and fostering energy-efficient practices that improve public health.

Prior to joining NJCCC, Caroline held leadership roles in the alternative fuel transportation arena, including compressed natural gas program manager at Philadelphia Gas Works, where she advanced the adoption of compressed natural gas as a transportation fuel and secured critical grant funding. She also served as chair of the Eastern Pennsylvania Alliance for Clean Transportation, strengthening connections to state and federal incentives that support businesses in using alternative fuels. Caroline holds a Bachelor of Science in institutional management from Pennsylvania State University and is a certified manager through the Association of Energy Engineers.