
Which fuel-saving equipment actually moves the MPG needle in 2026?
NACFE's Yunsu Park breaks down the fuel-efficiency technologies fleets are adopting, and which ones deliver measurable savings versus those that just sound…
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NACFE's Yunsu Park breaks down the fuel-efficiency technologies fleets are adopting, and which ones deliver measurable savings versus those that just sound…

Fleets that have never optimized electronic engine parameters for fuel economy can see gains of 0.5 mpg or more-up to 8% improvement-by adjusting speed limits,…

Loose or overtightened bearings create friction and heat that cost MPG. Technicians can spot the problem early through hub temperature, noise, and seal leakage.
DTNA engineers detail the incremental changes, bumper air ducts, combustion timing, and aerodynamic refinements, that delivered the efficiency gains in the…