A new NACFE white paper on trucking's "Messy Middle' transition period away from fossil fuels toward zero-emission vehicles takes a detailed look at the...

Years of scandal and mismanagement at Nikola Motors finally come to a head as the battery-electric and hydrogen-fuel-cell truck maker files for Chapter 11...

Years of scandal and mismanagement at Nikola Motors finally come to a head as the battery-electric and hydrogen-fuel-cell truck maker files for Chapter 11...

Do government environmental regulatory agencies have a "combustion bias"? HDT asked Clean Energy vice president Chad Lindholm for his perspective on the...

Disquiet over the emissions regulations for heavy trucks boiled over into something like an outright revolt this past year. Here’s a look back at what happened.

The North American Council for Freight Efficiency’s 10th Annual Fleet Fuel study has found rapidly rising fuel efficiency performance for long-haul fleets.

Why does CARB seem so reluctant to designate renewable natural gas as a clean truck fuel for long-haul trucking fleets? HDT asked NACFE analyst Kevin Otto...

What's it like to drive a one-off truck dedicated to proving new and emerging transportation technology? In this On the Spot video, climb aboard the Shell...

Renewable natural gas isn't perfect as a truck fuel. But, from availability, performance and infrastructure standpoints, no other fuel comes close to it...

The 14-member California Air Resource Board has voted to approve significant updates to the state's Low Carbon Fuels Standard including investments in BEV...