![Focus On... The Features of Peterbilt's 579 Epiq UltraLoft [Video]](https://fleetimages.bobitstudios.com/upload/trucking-info/content/article/equipment/579testdrive1-__-286x143-mr.jpg)
Peterbilt has constantly refined its Model 579 in the past seven years and in this video Equipment Editor Jim Park does a walkthrough of the fully-equipped truck showing all of the latest features and amenities.
July 22, 2019
![On the Spot: Hyliion Founder Details Hybrid Truck System [Video]](https://fleetimages.bobitstudios.com/upload/trucking-info/content/video/hyliion-on-the-spot1-__-286x143-a.png)
Hyliion founder and CEO Thomas Healy explains how his electric axle integrates with a Class 7 and 8 truck to improve fuel mileage under acceleration and up hills.
May 17, 2019
![Focus On: Hyliion's Hybrid System On the Road [Video]](https://fleetimages.bobitstudios.com/upload/trucking-info/content/video/hyliion-on-the-spot-__-286x143-a.png)
Hyliion's hybrid system adds an electric motor to the non-driven axle of a 6x2 setup. The system helps trucks in the least efficient situations, such as under acceleration and up hills. Equipment Editor Jim Park drove a loaded truck with Hyliion’s system and gives his initial thoughts on how it operates.
May 15, 2019
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