ACT News 2017


Proterra Launches DuoPower Driveline

October 23, 2017 in Electric Drive, New Products, transit by Rich Piellisch  |  No Comments

Nearly Twice The Horsepower and Acceleration,’
And ‘Five Times More Efficient’ than Diesel Buses,
Separately, Van Hool Picks Proterra Componentry

All-battery busbuilder Proterra has introduced a new driveline for its transit vehicles, pledging that its Catalyst buses with the “DuoPower” brand drive “will now have nearly twice the horsepower and acceleration, and will be five times more efficient than a standard diesel bus.”

Proterra has launched a new and more efficient driveline for its battery buses, and says it will be a key supplier of batteries for a new line of all-electric buses planned by Van Hool.



The performance of the DuoPower drivetrain represents a 20% increase in efficiency over Proterra’s standard ProDrive system, which will continues to be available with UQM motors.

The new drive uses HVH “hairpin” motors from Remy/BorgWarner, says an industry source.

The announcement at the tri-annual APTA/American Public Transit Association meting in Atlanta earlier this month follows word that Proterra is collaborating with LG Chem for advanced batteries for its electric buses (F&F, September 19).

‘New Route Opportunities’

The company notes that the all-time single-charge EV range record of 1,101.2 miles set at the Navistar Proving Grounds in Indiana was achieved in a 40-foot Catalyst E2 bus with the DuoPower drive and LG cells.

“Proterra’s DuoPower drivetrain unlocks new route opportunities,” Park City Transit operations team leader Destry Pollard says in a Proterra release.

“The link between Salt Lake City and Park City on I-80 through Parleys Canyon is an important route for us,” Pollard said. “With the new drivetrain, this is achievable with electric buses.”

Multiple Van Hool Models to Come

Proterra also said this month that Belgium bus manufacturer Van Hool has picked Proterra to provide its new battery platform for Van Hool’s first all-electric motor coach, based on its CX Series.

“CX Series operators will be able to test drive the all-electric CX45E coach at the Van Hool factory in late 2018,” Proterra says, “with deliveries beginning in 2019.

“The shorter CX35E coach model will be introduced shortly thereafter.”

Proterra’s new DuoPower drivetrain for battery-electric transit buses on show at APTA 2017 in Atlanta


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Source: Proterra with Fleets & Fuels follow-up

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