Diesel exhaust fluid doesn’t last forever. Before restarting an idle heavy-duty diesel truck or using DEF from storage, make sure it’s safe, compliant, and...

A new, driver-focused interior suggests Hyundai is closing in on serial production and deployment of its Xcient fuel cell truck in North America.

Learn how HDT’s 2025 Top Green Fleets pursue trucking sustainability as a core value and a business strategy.

Right now, the only thing certain about truck emissions regulations is that they are always subject to change. Truck sustainability expert Lacy Robertson...

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.

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...

Electric trucks and alternative fuels may get the headlines, but when it comes to trucking fleets reducing emissions and being more sustainable, there are...