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Recent data and developments indicate at least one emerging technology’s path forward is becoming clearer — renewable natural gas.

Freightliner has opened its order book for fifth-generation Cascadia tractors powered by Cummins’ X15N natural gas engine.

Speakers and exhibitors at the 2025 Advanced Clean Transportation Expo illustrated a growing interest in cleaner-burning and renewable fuels for the internal combustion engine.

Port of Stockton in California celebrated the debut of an expanded renewable fuels terminal that will facilitate the movement of biodiesel and renewable diesel from ships.

At MCE 2024, a panel of industry experts convened to explore how renewable natural gas might revolutionize fleet emissions, and what it will take to get there.

Clean Fuels Alliance America told the EPA that it will sue over the agency’s delay in establishing 2026 biofuel volumes in its Renewable Fuel Standard program.

The Biden administration on July 14 rejected more than two dozen oil refinery requests for exemptions from U.S. biofuel-blending requirements.

Oil giant Chevron Corp. and oilseed-and-grain company Bunge Ltd. agreed to pursue a joint venture to build a “farmer to fueling station” supply chain to meet demand for less-polluting renewable fuels.

Opal Fuels, a producer and distributor of renewable natural gas for heavy-duty truck fleets, announced a contract with City Furniture to build three RNG fueling stations and supply the company with 7.75 million gasoline gallon equivalent of RNG over the terms of the agreement.

NextEra Energy Inc. and OPAL Fuels plan to capture methane from a Minnesota landfill to produce renewable natural gas, adding to a series of projects seeking to cash in on the energy source while helping cut greenhouse-gas emissions.