Articles by Jack Roberts

Street Smarts: EPA takes aim at diesel derates
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Published on: 18 September 2026
DEF-related engine derates were unpopular from the start. But were they ever a serious problem for heavy-duty trucking?
Street Smarts: Tesla makes business case for battery-electric
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Published on: 19 August 2026
The conversation has changed, with TCO increasingly driving the decision whether to invest in battery-electric trucks.
Street Smarts: Volvo, Mack detail new EPA 2027 diesel engines
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Published on: 17 June 2026
Next-generation engines promise major NOx reductions, stronger performance and improved fuel economy
Street Smarts: Behind the wheel of the new Volvo VNR
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Published on: 14 May 2026
VNR is redesigned with an emphasis on productivity, maneuverability, driver comfort and safety
Street Smarts: Daimler Announces 2027 Cummins Engine Options
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Published on: 14 April 2026
DTNA has announced an expanded Cummins engine portfolio for 2027 Freightliner and Western Star truck models
Street Smarts: Pre-SCR and proven tech power Detroit’s Gen 6 diesel engines
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Published on: 27 March 2026
Detroit’s new Gen 6 heavy-duty diesels build on 20-year engine architecture to deliver ultra-low NOx emissions
Street Smarts: Autonomous Trucking Shifts into High Gear, says McKinsey
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Published on: 02 March 2026
Advanced tech and an influx of investment dollars have put autonomous trucking on the fast track to adoption
Street Smarts: Truck OEMs face hard choices in 2026
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Published on: 28 January 2026
2025 was challenging with no bright spots ahead for 2026, says McKinsey & Company
Street Smarts: Legal battles cloud heavy truck emissions regs
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Published on: 15 December 2025
2026 was supposed to mark a shift to zero-emission powertrains, but now, uncertainty reigns and lawsuits are flying
Street Smarts: Natural gas truck engines get a ‘reset’
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Published on: 09 October 2025
New technology may soon change minds about the suitability of natural gas for long haul fleets
Street Smarts: CARB’s comeuppance
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Published on: 25 August 2025
CARB and EPA are paying a heavy price for indifference to concerns about tough truck emissions regs
Street Smarts: A new role emerges for the Mack Anthem
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Published on: 05 August 2025
New truck takes design and technology cues from the Pioneer in a package designed for regional haul
Street Smarts: Why the 2027 Class 8 prebuy is dead on arrival
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Published on: 21 July 2025
Everyone is eyeing Donald Trump, but a variety of factors killed off the 2027 Class 8 prebuy before it even began.
Street Smarts: Maybe we needed an emissions regs reset all along
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Published on: 02 June 2025
Aggressive diesel exhaust emission regulations are being rolled back. Maybe that’s not such a bad thing.
Street Smarts: Mack looks to the future with new Pioneer tractor
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Published on: 01 May 2025
The all-new Pioneer Class 8 tractor is a forward-looking design that honors the OEM’s iconic heritage.
Street Smarts: Cummins launches three new medium-duty engines
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Published on: 03 April 2025
The three new engine offerings showcase Cummins’ HELM design architecture.
Street Smarts: California backs away from Advanced Clean Fleets reg
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Published on: 03 March 2025
Citing a new political landscape, CARB will not seek to enact its controversial rule.
Street Smarts: Autonomous trucks are a whole new transport mode
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Published on: 22 January 2025
Volvo Trucks takes steps to develop a full ecosystem for autonomous freight transport.
Street Smarts: Mack focuses on drivers for MD Series upgrades
Published on: 18 December 2024
Medium-duty MD series gets a new cab and a host of standard comfort and safety features
Street Smarts: Freightliner Debuts 5th Generation Cascadia Tractor
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Published on: 10 November 2024
For the latest generation, Freightliner focused on refinements targeting efficiency and safety
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