Renewable natural gas is, well, a natural when it comes to replacing diesel as a clean fuel for truck fleets. Hexagon Ability's senior vice president,...

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...

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.

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 time has come to seriously consider alternatives to zero-emission powertrains for long-haul trucking fleets. HDT Executive Editor Jack Roberts recounts...

Allen Schaeffer, Executive Director of the Engine Technology Forum, talks to HDT about why his organization is urging the EPA to revise its current...

Roger Alm, president of Volvo Trucks, is on a mission to replace 1 million diesel trucks with green alternatives by 2050.

We need a plan to combat climate change. But expecting the trucking industry to bear the costs of fighting climate change all by itself is not a plan, says...