Early adopters of the X15N engine have seen positive results, which may translate to additional fuel demand, according to the latest State of Sustainable Fleets report. Natural gas vehicle adoption ...

Peterbilt is offering the Cummins Westport natural gas engine in its Model 365 and Model 384. Aerodynamic wheel covers can deliver small but meaningful fuel-economy gains for fleets, and Deflecktor ...

Westport and Volvo are demonstrating a 500-hp truck with diesel-like efficiency — one that also offers what Westport says is ...

It's hard to consider ACT Expo, an alternative fuel and green energy transportation trade show held this week in Las Vegas, anything other than a battery-electric truck showcase, but alternative ...

When I first got into this industry, I didn't know much about natural gas. I knew trucks ran on diesel and have since forever, but a lot of news was flying around about natural gas in 2012; so much ...

To help fleets make an informed choice on whether to switch to natural gas fuel, the North American Council for Freight Efficiency produced a confidence report l to assist those decision-makers in ...

LEEDS, Alabama—Just how efficient can a fully loaded Class 8 tractor-trailer be? Shell sought to answer that question when designing its Starship 3.0, a Class 8 concept equipped with readily available ...

Clean Energy Fuels Corp. (NASDAQ: CLNE), the largest provider of the cleanest fuel for the transportation market, announced today at the Advanced Clean Transportation (ACT) Expo the expansion of its ...

Recently, there seems to be a renewed interest in natural gas as a fuel to power commercial vehicles. This is partly because natural gas has the potential to help reduce total greenhouse gas emissions ...