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 ...

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

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 ...

Westport Innovations says it's introduced the first generation of enhanced spark-ignited (ESI) natural gas system. This new approach to natural gas combustion technology is designed provide a ...

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 ...

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 ...

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 ...

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 ...

Public demand for cleaner burning power, low prices for natural gas, and a quest for more reliability have led to a sharp increase in the use of natural gas generator sets for prime and standby power ...