Hyliion Delivers First Class 8 Hybrid Vehicles to Penske
Hyliion will provide three vehicles to Penske Truck Leasing equipped with its 6X4HE Class 8 hybrid system, using Spicer Electrified e-Powertrain components.

Hyliion will provide three vehicles to Penske Truck Leasing equipped with its 6X4HE Class 8 hybrid system, using Spicer Electrified e-Powertrain components.
Photo: Hyliion
Hyliion will provide three vehicles to Penske Truck Leasing equipped with its 6X4HE Class 8 hybrid system, using Spicer Electrified e-Powertrain components.
The first of the program’s three vehicles were displayed in the Dana booth at the Technology & Maintenance Council’s annual meeting in Atlanta.The remaining vehicles will be delivered throughout the year, allowing Penske to complement its fleet with the combined Hyliion-Dana Class 8 electrified solution.
.“Our hybrid electric system on their Class 8 sleeper truck will reduce fuel consumption while also improving the driver experience,” said Thomas Healy, CEO of Hyliion. “Our collaboration with Dana provided the opportunity to leverage its strong product development process and affiliation with leading fleets such as Penske to help foster this cooperative sustainability program for all key stakeholders.”
The Hyliion 6X4HE Class 8 hybrid is full 6x4 configuration with traction boosting capability to improve fuel economy when climbing hills, and 7 kW/hr battery pack that can provide up to 10 hours of hoteling capability.
"The hybrid arrangement allows fleets to take advantage of electrified powertrains right away rather than waiting for the grid to be fully built up and large-capacity charging stations installed around the country," says Steve Slesinski, Dana's director of Product Planning. "It does not require any plug in at all, in fact it uses regenerated energy from downhill coasting and regenerative braking."
The Hyliion 6X4HE system is available for immediate ordering.
More Fuel Smarts

Lessons Learned About Alternative Fuels: Start Small, Stay Flexible
Practical advice on adopting alternative fuels and ZEVs from HDT's 2026 Top Green Fleets, from renewable diesel and natural gas to electric trucks.
Read More →
Kempower Adds Flex EV Charger to Help Support Transition to Megawatt Charging
The Kempower Mega Satellite Flex has both a CCS and MCS connector, allowing operators to serve both types of heavy-duty vehicles.
Read More →
Hino Adds Electric Class 6/7 Truck
Hino says the Le Series is an important step in the company's efforts to reduce environmental impact and support its customers’ sustainability goals.
Read More →
Can Multi-Speed EV Transmissions Solve Heavy Trucking’s Biggest Electric-Vehicle Problems?
A startup called Sigma Powertrain believes purpose-built multi-speed gearboxes can boost efficiency, reduce battery size and improve gradeability for heavy-duty battery-electric trucks.
Read More →
Hendrickson Debuts Electraax E-Axle for Medium-Duty Trucks
Developed with Driventic, Hendrickson's new integrated e-axle is designed to improve efficiency, reduce weight, and extend range in Class 6-7 EV applications.
Read More →
50 Ways Fleets Can Cut Fuel Costs Now — Without Buying New Trucks
Fuel savings don’t come from one big change. They come from dozens of small ones. Here’s how leading fleets are stacking gains across drivers, routing, maintenance, and more.
Read More →
Top Green Fleets 2026: How Fleets Are Reducing Emissions in the Real World
What works in sustainable trucking today? Heavy Duty Trucking's Top Green Fleets are finding practical ways to cut fuel use, reduce emissions, and keep freight moving.
Read More →
California Launching $1 Billion Electric Truck Rebate Program
CARB says the California Clean Fuel Reward program will begin offering point-of-sale rebates of up to $120,000 for electric commercial trucks starting June 26.
Read More →
Mack Unveils EPA 2027-Compliant MP13 Engine With More Power, Better Fuel Economy
Along with unveiling its EPA 2027-compliant MP13 engine, Mack outlined powertrain changes across its Class 6-8 lineup, including new Cummins-based X10 engines.
Read More →
How Volvo’s New D13 Engine Meets EPA 2027 Emissions Without Sacrificing Power or Fuel Efficiency
Volvo says advances in combustion and aftertreatment helped its new EPA 2027 D13 engine avoid the fuel-economy penalties many once expected from tighter NOx emissions limits.
Read More →
