Advancing Clean, Efficient, & Sustainable Transportation Technologies

yellow electric school bus shuttle with green bumper
back of green transit bus saying Breathe Easier This is an all Electric Bus
two men bending down to look at open panel on electric transit bus
large top loader machine lifting metal storage container at port
UPS truck with smiling driver in door
back of green transit bus saying Breathe Easier This is an all Electric Bus
yellow electric school bus shuttle with green bumper
blue and yellow Michigan university transit bus
large top loader machine lifting metal storage container at port
blue and white hydrogen transit bus driving
front view transit bus with bikes on rack
green semi truck driving at a port
red transit bus stopped at overhead charger
white semi truck powered by hydrogen
Group of people in safety vests in front of electric bus smiling for camera
transit bus fueling up at hydrogen station
green semi truck driving at a port
blue and white hydrogen transit bus driving
33
Years of Service
2,400+
Zero-Emission Vehicles Deployed
100+
Active Projects
1
Earth to Protect

Our Project Portfolio

What We Do

AC Transit logo grey green

"Since our initial deployment of ZEBs, CTE has been a valued partner throughout this incredible journey. From technical studies, bus and infrastructure design, project management, to operations monitoring and workforce development, CTE has global experience and advocacy know how to support the transportation industry’s transition to clean zero-emission technology."

Salvador Llamas
AC Transit

Webinars

Future-Proofing Zero-Emission Bus Operations

September 9, 2026 • 1 PM ET // 10 AM PT

In this webinar, CTE and its member panelists will explore emerging solutions to today’s zero-emission transit challenges and the technologies shaping what comes next. Learn about innovations entering the U.S. market, including new zero-emission bus options, strategies for scaling battery-electric operations, and infrastructure solutions that support fleet expansion.

Membership

CTE provides our members with the tools and resources to strengthen their industry presence and advance their zero-emission interests. Members enjoy many benefits, including alerts to funding opportunities, exclusive industry and networking events, and participation in legislative planning and advocacy efforts.