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Clean Diesel News

Why Real-Time Data Is Now the Most Critical Fuel in Your Fleet
Fleet operators have always known that fuel is their largest variable cost. What is changing fast is how the word ''fuel'' itself is being redefined. Diesel and gasoline are still what move trucks ...

State of Sustainable Fleets: As Freight Economy Recession Enters Third Year, Powertrain and Energy Diversification Defines Fleet Resilience Strategy
The State of Sustainable Fleets 2026 Market Brief has been released, providing a comprehensive assessment of the commercial transportation industry building resilience through powertrain and fuel ...

Roeth: Why fleet transitions are moving beyond pilot programs
As clean truck tech matures across diesel, RNG, and BEVs, the 'Messy Middle' is forcing fleet managers to balance mixed powertrains. Here is how real-world data is shaping ...

CARB revoked its federal Clean Fleet waivers, but confusion remains for those needing to comply
Staff expressed their frustration after repeatedly seeing misinterpretations that the board is “giving up” on clean diesel efforts. They told TRIG meeting participants that they’re making their best ...

Study: Does technology help improve your fleet’s mpg?
NACFE's 2024 Fleet Fuel Study reveals an increased use of efficiency technologies and a rise in average fuel economy among participating fleets. The North American Council for Freight Efficiency is ...

Clean Diesel Trucks Make Up 42% of Class 3-8
More than 40% of all medium- and heavy-duty diesel commercial trucks in operation in the United States – 4 million of 9.5 million diesel trucks – are now equipped with newer technology clean diesel ...