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

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 ...

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 ...

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 ...

Natural gas is considered a viable alternative to gasoline or diesel fuel. Yet one of the challenges, according to a team of researchers at Rochester Institute of Technology, is the lack of range for ...

As the U.S. continues its transition to domestic energy and power, Renewable Natural Gas (“RNG”) delivers by providing both economic and environmental benefits. With origins in organic waste and ...

Magirus has unveiled the world’s first CNG-powered (compressed natural gas) fire-fighting vehicle, the Compact class (H)LF 10. This ground breaking fire engine is the latest addition to the Brand’s ...

Bosch announced new hydrogen injectors, compact fuel cell power modules, and updated thermal management systems at ACT Expo—part of a long series of new hydrogen-powered truck innovations.