2017 was a big year for new equipment with major manufacturers introducing brand new flagship trucks, concept vehicles, and even a few electric vehicles and HDT was on-hand to test drive and report on these trucks with in-depth videos. Here are 10 of the most watched videos from 2017.

1. On the Spot: Volvo's VNR as a Daycab and Sleeper

Equipment Editor Jim Park took two versions of Volvo's newly introduced regional haul tractor out for a test drive - a VNR 300 daycab and the VNR 640 with a sleeper and adaptive loading.

2. First Impressions of Volvo's SuperTruck

HDT editors Jim Park and Jack Roberts were the first truck editors to get the chance to drive Volvo's ultra-fuel-efficient SuperTruck for the day. Watch this video for their first impressions of the $2 million research project, an interesting blend of old and new.

3. Ultimate Test Drive: New Cascadia's Intelligent Powertrain

In this Ultimate Test Drive road test, we take Freightliner's new Cascadia on the road to see how the truck's Intelligent Powertrain Management system optimizes fuel economy for the situation.

4. Cummins Unveils its Electric Daycab Tractor

Julie Furber, executive director of electrification business at Cummins, gives Equipment Editor Jim Park details and specs of the company’s first all-electric heavy-duty truck.

5. What We Know About the Tesla Semi

The highly anticipated Tesla Semi was unveiled at SpaceX headquarters in Hawthorne, California. With a 500-mile range, 20 second 0-60 mph fully loaded, 30-minute fast charging, and a launch date of 2019, is it the truck of the future? Read the full story here.

6. Mack Trucks Launches the Class 8 Anthem Tractor

Mack Trucks launched its first new on-highway tractor since 1999 at the company's 2017 Dealer Summit and Equipment Editor Jim Park was at the launch event to find out more about the distinctly-designed truck.

7. International’s RH Regional Haul Tractor Unveiling

At the launch event for International's new RH Regional-Haul Tractor, Navistar representatives talked to equipment editor Jim Park about the design and features of the new vehicle.

8. First Impressions: Volvo's New VNL Highway Tractor

Volvo Trucks North America unveiled the VNL, its first new highway tractor in more than 20 years. HDT's Jack Roberts was there and filed this video report with his first driving impressions of the new truck.

9 Ultimate Test Drive: T680 With Paccar Automated Transmission

Paccar's 12-Speed Automated Transmission is part of its fully integrated powertrain and Equipment Editor Jim Park took Kenworth's T680 equipped with the transmission out for a spin in this video.

10. How Tire Vibration Can Impact Fuel Efficiency

We caught up with IMI Products at the Technology & Maintenance Council annual meeting in Nashville to watch a demonstration of how vibration and rolling resistance can affect fuel efficiency.