EDITORIAL: Diesel's doing just fine, thank you

Alternative propulsion features prominently in this issue, starting from the cover shot of Nikola's sleek fuel-cell electric Class 8 tractor, the Two, and continuing into the annual Executive Viewpoints series of articles, in which experts discuss the challenges and opportunities in a range of technology areas, including biomethane and hybrid power systems.

Hydrogen as an alt fuel is gaining momentum, particularly for long-haul trucking applications. As CEO Trevor Milton said during the Nikola World extravaganza in April, “We need to be able to go long distances. That's where hydrogen really shines,” (see pg. 24).