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HDT Talks Trucking thumbnail saying: NACFE's Messy Middle: Which Fuel Wins?
PodcastsMarch 11, 2026

Run on Less “Messy Middle” Data Shows Multiple Paths for Truck Powertrains [Listen]

Listen as Mike Roeth of the North American Council for Freight Efficiency shares insights into battery-electric trucks, natural gas, biofuels, and clean diesel on this episode of HDT Talks Trucking.

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YouTube thumbnail with Mike Roeth of NACFE saying "NACFE's Messy Middle: Which Fuel Wins?"
Videosby Deborah LockridgeMarch 11, 2026

Run on Less “Messy Middle” Data Shows Multiple Paths Forward for Truck Powertrains [Watch]

NACFE's Run on Less - Messy Middle project demonstrates the power of data in helping to guide the future of alternative fuels and powertrains for heavy-duty trucks.

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HDT Spotlight video on natural gas truck engines.
Videosby Jack RobertsJanuary 26, 2026

Why the Cummins X15N Changed the Conversation About Natural Gas Trucking

Natural gas is quietly building a reputation as a clean, affordable, and reliable alternative fuel for long-haul trucks. And Ian MacDonald with Hexagon Agility says the Cummins X15N is a big reason why.

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A UPS compressed natural gas (CNG) tractor is parked at a fueling station under clear skies, showcasing the company’s use of alternative fuel vehicles in its delivery fleet.
Newsby Nicole DamronNovember 5, 2025

UPS Scales RNG for Cleaner Long-Haul Operations

Run on Less: Messy Middle participant UPS is expanding its renewable natural gas fleet to cut emissions and improve reliability in extreme climates.

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Clean Energy's renewable natural gas truck on display outside the convention center
Photo Galleriesby Deborah LockridgeOctober 31, 2025

Alternative Fuels and Powertrains at ATA's Management Conference [Photos]

Alternative fuel and powertrain options on display at the American Trucking Associations' 2025 Management Conference & Exhibition in San Diego.

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A row of blue Volvo VNR battery-electric trucks operated by 4GEN Logistics parked in front of Maersk shipping containers at a logistics yard.
Newsby News/Media ReleaseSeptember 12, 2025

4Gen Logistics Accelerates Toward a Fully Zero-Emission Drayage Fleet

4Gen Logistics has rapidly scaled one of Southern California’s largest zero-emission drayage fleets, proving what’s possible when infrastructure and fleet strategy align.

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Graphic illustrating Ryan Kocher, HDT Truck Fleet Innovator
Articlesby Deborah LockridgeAugust 29, 2025

Driving Fleet Sustainability with Engineering Precision

Testing and data — not hype — guide this fleet innovator’s approach to cutting emissions in a cost-conscious industry.

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Articlesby Deborah LockridgeApril 15, 2025

HDT's Top Green Fleets for 2025 Embrace Trucking's 'Messy Middle'

Learn how HDT’s 2025 Top Green Fleets pursue trucking sustainability as a core value and a business strategy.

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NACFE's Mike Roeth and HDT's Deborah Lockridge
Videosby Deborah LockridgeApril 11, 2025

Run on Less Tackles Trucking's 'Messy Middle' of Alternative Fuels and Zero-Emission Vehicles

What's the best path to decarbonization for your trucking fleet? The North American Council for Freight Efficiency is looking at the "messy middle" of alternative fuels and drivetrains for long haul in this year's Run on Less.

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Newsby Deborah LockridgeApril 9, 2025

20 Trucking Operations Named HDT Top Green Fleets

Heavy Duty Trucking has honored 20 trucking operations as HDT Top Green Fleets for 2025 for their role in leading the industry in sustainability, from alternative fuels to top mpg to zero-emission vehicles.

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