HybriDrive® Series – The world's most successful series
hybrid electric propulsion system for transit bus.

Hybrid Electric Transit Bus

At BAE Systems we are proud to be part of the effort to keep our environment safer and greener. Our HybriDrive® Series powers the world’s largest hybrid bus fleet and carries over 2 million passengers every day. Our systems have traveled over 300 million miles, prevented over 280,000 tons of CO2 emissions and saved over 25 million gallons of diesel fuel.

The series design is optimized for transit bus duty cycles that typically have low average speeds and frequent stops. In this type of environment, series provides better fuel economy and emission reductions than a parallel solution. Our HybriDrive® Series solution also offers the only true path to an all Electric Vehicle (EV).

The successful HybriDrive® Series is available on more OEMs and fleets than ever before and our offerings continues to grow.

Why HybriDrive®?

Independent measurements have shown that HybriDrive® consistently provides the greatest energy savings in transit bus propulsion tests. Our integrated hybrid power systems also maximize your operational budget due to their superior efficiency and impressively low maintenance costs, making HybriDrive® the best hybrid solution. Altoona Bus Research and Testing Center study results show that HybriDrive® fuel economy is noticeably better than alternative electric drive propulsion systems, making HybriDrive® the best source of hybrid electric savings.

Diesel Bus Fuel Savings Chart

A comprehensive test conducted at the Altoona Bus Research and Testing Center in Pennsylvania showed that in some cases HybriDrive® buses achieved almost double the MPG of equivalent conventional diesel buses.

Altoona Bus Fuel Economy Chart

The hybrid electric motor offers a smooth, powerful, shift-free ride that your passengers will really appreciate. See what real people have to say about hybrid electric buses: